The EK-18 excavator is a wheeled excavator equipped with a bucket. This equipment is produced by the RM-Terex company at the Tverskoy Excavator plant. Special equipment is designed for the development of pits, digging trenches, loosening rocks, loading, unloading bulk materials, for performing other work in industrial, urban, municipal, transport construction.
Scope of use
The line of EK-18 excavators, the technical characteristics of which are constantly being improved, are in high demand among construction companies and government organizations. This demand is based on the fact that EK-230-06 excavators and related models combine versatility, productivity and affordable cost. Today, you can buy machines not only on wheels, but also on caterpillar (LC) for work on difficult terrain.
The EK-18-30 wheeled excavator can be used to perform the following works:
- Arrangement of foundation pits for high-rise buildings. Boom reach and bucket volume allow you to open large pits and depths in a few hours. Excellent maneuverability makes it possible to quickly move both along the edge of the pit and inside it. One of the exchangeable buckets is used depending on the type of soil.
- Trenching in various widths and depths. The use of removable sections of the boom and buckets with a certain width helps to make even trenches with a width of 30 cm and a depth of up to 600 cm. Accurate boom control facilitates high-level repairs.
- Quarry development. The EK 12 excavators have the technical characteristics high enough to remove tough overburden, hard rock and frozen ground. The large bucket volume makes it possible to fill the truck body with sand, gravel or limestone in a matter of minutes.
- Construction and repair of hydraulic structures. Excavators EK-18-20 have proven themselves well in the construction of bridges, dams and dams. Having good maneuverability and maneuverability, EK-18-60 excavators are used at all stages of construction, from excavation to leveling.
- Public works. Within the city limits EK-14 - wheeled excavator - is an irreplaceable technique. With its help, the repair of sewerage, heating mains and water supply is carried out. Maneuverable equipment quickly and efficiently digs holes for sewer and communication wells.
See also: Excavator-planers for earthmoving work
Excavators EK-8-20 2005 are in demand among owners of summer cottages and country houses. The multifunctional equipment is ideal for the construction of underground structures, the creation of embankments, the laying of communications, the construction of foundation pits.
Dignity
Models 14 and 16, the EK excavator, are developed on the basis of equipment that has passed many years of testing in various climatic and weather conditions. The use of modern technologies has significantly improved the technical characteristics of the EK-270L excavators. The earthmoving units are distinguished by their high reliability and long service life.
The technique has the following positive features:
- Wide temperature range of use. The earthmoving machine can operate at temperatures of -45 ... + 45 ºС. This ensures high demand (including for the EK-400 excavator) throughout Russia, in the near and far abroad.
- Limited platform turning radius. This solution makes it possible to work in confined spaces without the risk of damage to the boom and surrounding objects.
- Increased reliability and durability of the undercarriage. All units and mechanisms are made of high quality steel. The welds are made using an inert gas supply, which gives them solidity and resistance to corrosion.
- Convenient control of working bodies. The EK-270 excavator is equipped with a spacious cabin with panoramic windows. The cabin is completed with an ergonomic chair with several settings. The description of the controls contains precise instructions on how to use them. Levers and buttons are easy to press.
- Increased lifting capacity. The boom is equipped with two cylinders. This allows you to work with massive loads lifted in one step. The performance of the equipment is changing for the better.
- Simplicity of design and reliability. All units of the earthmoving machine are designed to withstand full load over a long period of time. If individual parts fail, repairs are carried out quickly, without sending equipment to a service center.
- High speed performance. Wheeled excavator Kraneks EK-270 can cover long distances, moving under its own power. This allows you to save on transport services by avoiding transportation on a trailer or railway platform.
See also: Single-bucket wheel excavator EO-3322
The parameters of the boom make it possible to attach various modifications of auxiliary equipment to it. At low cost, earthmoving equipment replaces several machines with a narrow specialization.
Optional equipment
Tracked and wheeled units manufactured by the Tver Excavator Plant are adapted to work with attachments of domestic and foreign production. In most cases, they are installed by one operator.
Extending the functionality of the excavator is carried out by installing the following devices:
- Various bucket modifications. They are used to work with bulk material of a certain density and hardness. Narrow buckets are used for trenching and rock removal. Wide buckets are used for stripping, soil and limestone pick-up. The width of the buckets varies between 30-80 cm, and the volume is 0.4-0.85 m³. Buckets provide for the installation of crowns, which significantly increase the resource of the tool.
- Ripper. Made of high strength hardened steel. Designed to demolish asphalt and concrete pavements, curbs and thin walls. When working with soil, it opens the frozen layer, loosens the compacted surface for subsequent excavation with a bucket.
- Drilling rig. It allows you to make holes with a diameter of up to 30 cm and a depth of up to 20 m. It is used for drilling water wells, making holes for poles and supports. In the subsidiary farm, pits for seedlings and supports for the fence are made with the help of a drill.
- Boom sticks. They are used to increase digging depth and lift height. Comes with buckets or separately. The length of the interchangeable handles varies between 220-340 cm.
- Grapple. It is used for loading and earthworks. Creates depressions in soft soil, captures bulky material (hay, branches, tops).
- Magnetic washer. It is used to collect small and large fragments of scrap metal up to 200 cm in size and weighing up to 50 kg.
- Hydraulic hammer. It is a more powerful analogue of a jackhammer. It is used for the dismantling of roads, residential buildings and engineering structures. When laying communication lines, it is used to crush rocks and stones. When installing the slab, it is used for compacting the soil.
- Mulcher. It is capable of chopping branches up to 10 cm thick into chips. Destroys wood from the roadside in a strip up to 6 m wide. If necessary, it is used in the process of laying and cleaning glades. In the private sector, he grinds sawn trees without entering the courtyard.
Read Also: All Necessary Excavator Driving Information For Beginners
A truck body or a two-axle trailer is sufficient to transport the entire set of accessories.
Specifications
The manufacturer is constantly working to improve the performance of the EK series excavators. Today, this technique is practically not inferior to foreign counterparts, and in some respects it surpasses them.
The general technical characteristics of the wheeled earthmoving machine are as follows:
- length - 8200 mm;
- width - 2500 mm;
- height - 3140 mm;
- weight without refueling - 14200 kg;
- highway speed - 25 km / h;
- minimum turning radius - 850 cm;
- wheels - pneumatic, with a protector 12.00-20;
- the maximum overcome rise - 32º;
- cruising range - 400 km.
Earthmoving equipment parameters:
- bucket capacity - 0.35-0.85 m³;
- maximum stele throw - 960 cm;
- digging depth - 540 cm;
- bucket lifting height - 650 cm;
- lifting capacity - 1200 kg.
A complete cycle, consisting of lowering the bucket, grabbing material and unloading the soil, takes no more than 15 seconds, which is a very high indicator.
Power plant characteristics:
- engine - diesel MMZ with water cooling;
- power at 2200 rpm - 124 hp;
- engine volume - 4.5 liters;
- fuel tank volume - 250 l;
- fuel consumption on the highway - 25-30 liters per 100 km;
- fuel consumption in excavator mode - 11-13 l / h.
The gearbox has 4 forward gears (including low gear) and 1 reverse gear. The front-wheel drive ensures high cross-country ability of the equipment when working in off-road conditions.
Due to the optimal combination of indicators such as price and quality, the equipment of the Tver Excavator Plant has practically no competitors. Wheeled and tracked excavators of the EK series are highly appreciated all over the world, as evidenced by their large export deliveries.
Digging parameters of the TVEX EK 18 excavator
| Stick, m | 2,2 | 2,8 | 3,4 |
| Digging radius, m | 9,1 | 9,65 | 10,2 |
| Digging radius at parking level, m | 8,85 | 9,42 | 10,0 |
| Kinematic digging depth, m | 5,77 | 3,67 | 6,97 |
| Unloading height, m | 6,24 | 6,5 | 6,75 |
| Bucket swing angle (deg.) | 177 | 177 | 177 |
| Maximum bucket capacity (SAE), m 3 | 1,0 | 0,77 | 0,65 |
| 1 | handle 2.2 m |
| 2 | stick 2.8 m |
| 3 | stick 3.4 m |
- Digging grapple
- Hydraulic hammer
- Hydraulic shears
- Ripper
- Log grapple
- Hydraulic shears NG-1624
- Ripper 225-00-40.17.400
| 1 | handle 2.2 m |
| 2 | stick 2.8 m |
| 3 | stick 3.4 m |
Replaceable types of working equipment for TVEKS EK-18 excavator
- Digging grapple
- Loading grab (five-jaw)
- Hydraulic hammer
- Hydraulic shears
- Ripper
- Log grapple
Dismantling and destruction of brick, concrete and reinforced concrete structures of medium strength, including cutting of reinforcement, destruction of metal structures, cutting of metal scrap, charge. Loading and unloading of bulk and non-bulk cargo from open-top wagons.
A bucket with a volume of 1 m 3 can be replaced by:
- Replaceable sticks L = 2200 mm, 2800 mm, 3400 mm and with buckets, respectively, V = 0.77 m 3, 0.65 m 3.
- Hydraulic hammer MG-300, designed for the destruction of concrete and reinforced concrete road surfaces, brick structures, unreinforced concrete and other similar works, including loosening frozen soil and compacting loose soil.
- Hydraulic shears NG-1624
- Ripper 225-00-40.17.400
- Log grapple 313-00-40.12.000 with a carrying capacity of 3 tons for loading and unloading operations and stacking of logs and other sawn timber. The log grapple can be equipped with a full-turn rotator.
- Digging grab and grab for bulk materials.
There is an option of execution with two pairs of outriggers.
Engines of the Perkins firm fully comply with all international environmental requirements and have a number of significant advantages:
- twice the resource and warranty period of service in comparison with domestic engines;
- 10% more torque;
- ensuring fuel economy by 10-20%, depending on the type of work;
- reduction of maintenance time by 20% due to increased intervals between maintenance;
- reduction of noise and vibration at the operator's workplace.
Used materials of JSC "Tverskoy Excavator", http://www.tvexc.ru.
Photos TVEKS EK-18 wheeled excavator
Additional Information
The technical characteristics of the Tveks EK-8, EK-12, EK-14, EK-18, EK-18-40 wheeled excavators and the Tveks 5846 (EA-17) car excavator manufactured by the Tverskoy Excavator plant are summarized in one table
In the line of the Tver plant, the EK-18 model is the flagship with the highest carrying capacity. The main features of the technology (reliability and durability) are due to the reinforced structure of the metal structure.
A cubic meter bucket and two boom-lifting cylinders allow the EK-18 to cope with the movement of heavy loads.
This technique is a pneumatic wheeled hydraulic excavator used for demolition and demolition of reinforced concrete, brick and concrete structures with medium strength. The model is also used for the destruction of metal structures, cutting scrap metal, cutting reinforcement and loading and unloading non-flowing and loose soils. The technique has also found application in various tasks of dismantling objects made of concrete and other structures made of similar materials.
EK-18 is designed to work with mounted grabs with different levels of functional orientation. The most popular are mobile modifications with a wheeled chassis, but there are also heavy versions on a tracked chassis.
The EK-18 is a truly multi-purpose earthmoving machine. Through it, you can dig quarries, trenches and pits in soils belonging to I-IV categories, as well as load frozen soils and loosened rocks with a piece of less than 200 mm.
Excavator modifications EK 18-20, 18-30, 18-40, 18-44, 18-60
Tverskoy Excavator produces several modifications of this model:
- classic EK-18;
- EK-18-20 with increased productivity and a bucket with a volume of one cubic meter. Thanks to the additionally reinforced metal structure of the equipment, the technician can work in difficult conditions. For the EK-18-20, the manufacturer offers a huge selection of replacement working equipment. Moreover, the model itself is considered the most powerful multifunctional machine;
- EK-18-30 is an analogue of EK-18-20 with similar characteristics. The only difference is the availability of imported hydraulics;
- EK-18-40 is a hydraulic pneumatic-wheeled excavator equipped with a grab gripper. A special version designed for loading timber and scrap metal. Additionally equipped with a hydraulic lifting cabin and scrap equipment;
- EK-18-44 is a special pneumatic version with a 5-jaw GP-554 grab with a capacity of 0.65 cubic meters, a hydraulic lifting cabin, a full-revolving rotator and scrap equipment. Used for loading / unloading open wagons and loading timber and scrap metal;
- EK-18-60 is equipped with a Bosch-Rexroth travel motor, a hydraulic pump and a Perkins unit.
- Wheeled excavator Tveks EK-18-90 (M) is an evolutionary continuation of the previous model. Redesigned working equipment, more powerful engine.
The main advantages of the EK-18:
- stability;
- powerful motor;
- advanced cockpit;
- long period of operation and reliability;
- high performance;
- ease of management and ease of maintenance;
- multifunctionality;
- thoughtful arrangement of instruments and indicators on the control panel.
Specifications
The excavator weighs 18,000 kg. EK-18 dimensions:
- length - 9400 mm;
- width - 2500 mm;
- height - 3250 mm;
Operational parameters of the model:
- bucket capacity - 0.65 (0.77; 1) cubic meters;
- unloading height - 6240-6750 mm;
- digging radius - 8850-10000 mm;
- digging depth - 5770-6970 mm;
- bucket rotation angle - 177 degrees;
- The maximum vehicle speed is 20 km / h.
Fuel consumption
The fuel consumption of the EK-18 is 236 g / kWh. At the same time, the model's fuel tank holds up to 255 liters.
Engine
EK-18 boasts a powerful 4-stroke 4-cylinder diesel unit "D-245" with a liquid cooling system and direct fuel injection. The engine is started through an electric starter. The power plant is equipped with additional elements manufactured in Germany. Some modifications of the EK-18 are equipped with the British "Perkins" unit with increased power.
The D-245 motor has a vertical in-line arrangement of cylinders. The main assemblies of a power plant are the crankshaft, cylinder block, flywheel, pistons, cylinder head and connecting rods. The use of a turbocharger with variable boost pressure provides improved throttle response and increased torque.
Engine parameters "D-245":
- working volume - 4.75 l;
- power - 105 hp;
- maximum torque - 385.5 Nm;
- rotation frequency - 2200 rpm;
- cylinder diameter - 110 mm.
Optional equipment
EK-18 can be equipped with additional systems and modules. For this model, Tverskoy Excavator offers:
- ripper 225-00-40.17.400, which allows you to remove various elements from the soil, carrying out global cleaning;
- hydraulic hammer MG-300. It is used for dismantling a variety of wooden, concrete and brick buildings and structures. Also, a hydraulic hammer is used to compact a loose earth layer and loosen frozen soil;
- hydraulic shears IG-821 and IG-811. This element has additional equipment that provides the necessary rotation of the scissors, which allows you to significantly expand the list of operations performed;
- log grab MG-300. It is used for unloading, loading, stacking logs and has a lifting capacity of 3000 kg. Additionally, it can be completed with a full-turn rotator;
- grab GK-221. It is used to perform operations for unloading and loading materials and soil development.
Price new and used
The new EK-18 excavator will cost 4-4.5 million rubles. Used options are much more affordable. So, for the 2008-2009 model in good condition, you will have to pay 1-1.8 million rubles. Cars until 2000 are offered for 400-500 thousand rubles. Renting an excavator costs about 8,000-10,000 rubles per shift.
Analogs
The EK-18 analogs are the EO-33211 and EO-4321 models.
In the Tver plant's line of the same name, the Tveks EK 18 wheeled excavator is the most powerful unit, characterized by excellent carrying capacity. The reinforced structure of the metalwork of the working equipment determines the main advantages of the equipment - durability and reliability.
Two boom cylinders and a cubic meter bucket make it easy to handle moving loads. The developers also paid attention to the operator's cabin. In addition to its ergonomics, it is characterized by an excellent overview of the area of excavation and other types of work.
Tveks EK 18 are equipped with the most powerful engine of the D-245 type, the power of which is 105 horsepower. It is equipped with a pre-heater, which the manufacturer receives directly from Germany. By individual order, it is possible to equip equipment with a Perkins diesel engine (Great Britain), as well as imported hydraulics.
Thanks to the possibility of using the sticks in three versions - 3.4, 2.8 and 2.2 meters - it is possible to install buckets with a volume of 1, 0.77 and 0.65 cubic meters. m respectively.
With regard to the "price-quality" indicator, the model under consideration has no domestic analogues on the market. More or less similar solutions can only be offered by a few foreign manufacturers.
It is possible to equip the excavator with replaceable (additional) equipment:
- a hydraulic hammer - destroys road surfaces made of reinforced concrete, concrete (including unreinforced concrete) and bricks, loosens the soil (including frozen), ramps up loose earth;
- ripper - breaks open frozen soil and asphalt concrete pavement, is used to remove curb stones;
- grab - necessary for digging and loading and unloading. It can be supplemented with a full-turn hydraulic rotator and an extension;
- with a log gripper with a carrying capacity of 3 tons - stacks logs, participates in the implementation of the PRP;
- hydraulic shears - used in the process of concrete breaking operations. Equipped with a rotator.
Application
The TVEKS 18 excavator easily copes with soils of any category, which makes it possible to use the equipment everywhere. The main works for which the EK-18 is used:
- territory planning;
- loading and unloading operations with pallet cargo;
- demolition of construction sites;
- career work;
- production of excavations - pits, trenches;
- other types of construction and agricultural work.
Modifications
There are several modifications of the equipment, the main distinguishing features of each model are the hydraulic system and the motor. The latter can be installed in foreign or Russian production. The overseas unit is characterized by higher power, economy and longer periods between maintenance.
| Model | EK-18-20 | EK-18-30 | EK-18-60 | EK-18-90 |
|---|---|---|---|---|
| Engine | MMZ 245S | Perkins 1104C-44TA | D-245 2S2 | |
| engine's type | Diesel, liquid cooling | |||
| Engine power, h.p. | 105 | 123 | 122 | |
| Hydraulics | PSM | Bosch-Rexroth | ||
| Stick, m | 2,2/,2,8/3,4 | |||
| Bucket capacity, cubic meters m | 1,0/0,7/0,65 | |||
| Digging depth | 5,77/6,37/6,97 | |||
| Unloading height, m | 6,24/6,5/6,75 | |||
| Cycle duration, s | 18,5 | |||
| Travel speed, km / h | 20 | |||
| Overall dimensions, mm | 9360/2500/3158 | |||
| Equipment weight, t | 18,4 | |||
EK-18 modifications:
- standard model EK-18;
- TVEKS EK-18-20 is characterized by increased efficiency; a standard working body (bucket) with a capacity of 1 cubic meter is installed on it. m. All equipment components are manufactured in Russia. The main frame is reinforced to ensure high performance in tough working conditions. TVEKS 18-20 can be equipped with a large number of additional working bodies. This modification is considered the most powerful and multifunctional;
- EK-18-30 is the previous model with an improved foreign-made hydraulic system;
- EK-18-40 has a clamshell gripper as a working body as standard. This special equipment is most often used in logging and scrap metal recycling enterprises. Optionally, this model can be equipped with a lifting cabin (using hydraulics) and a scrap body;
- EK-18-44 is an improved version of the previous model. Here, a hydraulic lifting cabin, a scrap organ, a five-jaw grab with a capacity of 0.65 m3, and a full-revolving rotator are installed as standard. Its main purpose is loading and unloading of gondola cars, as well as work for which the EK-18-40 modification is intended;
- TVEKS EK-18-60 is equipped with a hydraulic propeller motor jointly produced by Bosch and Rexroth, a hydraulic pump, and a power plant manufactured by Perkins;
- EK-18-90M is the latest development of the manufacturer, in which axles with limited slip differentials are installed, due to which the ability to overcome difficult sections is improved. The steering wheel made in Italy is smaller, which creates a more comfortable working environment for the operator. In addition, the cab has increased rigidity. The power plant is characterized by increased power indicators, which favorably affects the efficiency of the equipment. Sticks of various sizes are optionally installed, 2.2 m is used as a standard one. Increasing its length contributes to deeper digging, but the capacity of the working body is reduced.
Specifications and dimensions
To increase the carrying capacity of TVEKS 18, it is planned to install two boom-lifting hydraulic cylinders and a bucket with a volume of 1 cubic meter. m.
The main technical characteristics of TVEKS EK-18 include:
- weight - 18 tons;
- the capacity of the working body of the standard assembly - 0.65 m3, 0.77 m3, 1 m3;
- unloading height - from 6.24 m to 6.75 m;
- digging radius - from 8.85 m to 10 m;
- digging depth - from 5.77 m to 6.97 m;
- the angle of rotation of the working body - 177 degrees.
The characteristics of heavy construction equipment depend on the modification. The machine demonstrates high performance at ambient temperatures from -40 to +40 degrees. Thus, it can work not only in Russia, but also in other countries.
EK-18 dimensions: 9.4 mx 2.5 mx 3.25 m (5.25 m with the cabin raised). Depending on the modification, the dimensions of the equipment may deviate from those indicated by 0.1 - 0.2 m.
Engine
The high performance of TVEKS 18 is due to the installation of a powerful 4.75 liter D-245 engine. It is a 77 kW or 107 horsepower four-stroke four-cylinder power plant. It is equipped with a water cooling system and a direct fuel mixture supply system. The rotation frequency is 2200 revolutions per minute of operation. Diesel fuel is used, the unit is started by means of an electric starter. The engine accessories are manufactured in Germany. Modifications can be equipped with a Perkins engine, model 1104C-44TA with a capacity of 123 horsepower.
The cylinders of the domestic engine with a diameter of 110 mm are arranged in a row, vertically. The main components of the motor are connecting rods, pistons, cylinder block, cylinder head, flywheel, crankshaft. They are all serviceable. To increase the performance of the power plant, turbocharging is used, which ensures an increase in torque to a maximum value (386 Nm) and acceleration. The blowing force is controlled by the operator.
To start the engine in frosty weather, a prestarting heater made in Germany "Hydronic 10" is provided.
The EK-18 fuel consumption is 236 g / kW per hour of operation, the diesel fuel tank holds 255 liters.
PRICE PER CHANGE 10 000 RUB.
Specifications: Digging parameters:
- Weight, t 14
- Bucket capacity (SAE), m3 0.8 (0.4; 0.5; 0.65)
- Length, mm 8200
- Width, mm 2500
- Height, mm 3140
- D-245 engine
- Engine power, hp with. 105
- Cycle time, s 16
- Hydraulic system pressure, MPa 28
- Travel speed, km / h 25 (20)
- Stick, m 1.9
- Digging radius, m 8.2
- Digging radius at the parking level, m 7.92
- Kinematic digging depth, m 4.89
- Dumping height, m 5.72
- Bucket swing angle (degrees) 173
- Maximum bucket capacity 0.8
The EK-18 hydraulic wheeled excavator is rightfully called the flagship among similar special equipment. It is distinguished by its high load-carrying capacity and reliability in operation. Its design has a solid reinforced base, which allows the representatives of this model to be used for work on the dismantling of buildings and other objects.
Excavator EK 18-20
The EK 18-20 multifunctional excavator is designed to perform versatile functions. The main one is earthmoving. It can be used to dig:
- foundation pit;
- trenches for laying communications;
- quarries.
The durable material from which the attachment is made is suitable for digging frozen soils. Also, this excavator can be used for loading loosened rock, if the size of one piece does not exceed 20 centimeters.
This model is considered the most powerful of the entire family and is recommended for working with loads of increased mass, destruction of reinforced concrete structures and brick walls, cutting reinforcement and unloading bulk materials.
Excavator EK 18-20, prices
The advantages of the EK 18-20 excavator, the prices of which we offer to find out by phone from our managers, include the duration of operation and reliability. It is stable on any soil, has a powerful motor and shows high performance results. It is not only easy to operate, but also easy to maintain. Its cab provides the operator with a wide view of the terrain. Its arrangement is unique in that the manufacturer has focused on the safety and comfort of operating the equipment.
Single bucket excavator EK-18
The main orientation of the machine is to work with attachment grabs. Special equipment is a versatile machine that has a wide range of applications. A well-equipped cab is installed on the machine. The engineers developing this technique paid great attention to the control, which was reflected in the maneuverability of the excavator. The layout of the cab itself has been revised to significantly increase the operator's maximum visibility. A large number of additional removable attachments are provided. This made it possible to make the EK-18 excavator a rather competitive machine in relation to advanced foreign counterparts.
Design features
A special steel cabin is installed on the excavator, which has a load-bearing frame made of a tubular profile. It is glazed from four sides and from above. The upper part of the front window can be slid under the roof and the lower part can be removed using a lever mechanism. There is a top hatch on the roof. A heater is installed inside, the narrow steering column is adjustable in tilt angle. The seat is equipped with a mechanical suspension, it is possible to adjust the armrests and the headrest. There is a compartment for the driver's personal belongings, a place for a drinking water tank, there is also a first-aid kit and a fire extinguisher. The cab itself is mounted on hydraulic vibration dampers.
To monitor the operating parameters of the machine, there is a dashboard on which an hour meter, an indicator of the temperature of the hydraulic oil, and an indicator of the voltage of the on-board network are installed.
The Tveks EK-18 excavator has a pneumatic running device, the features of which are expressed by steel wheel fenders with an anti-slip surface, there are footboards on the right and left sides, a steel basket for canisters is provided on the left footboard, on the right there is a toolbox, the blade is parallelly lowered forward, behind outriggers are provided.
The hydraulic system is used for smooth operation of the machine, ensuring high productivity. At the request of the customer, instead of the standard configuration, the equipment can be equipped with Bosch-Rexrot hydraulic equipment, which includes a hydraulic valve, a pump unit, hydraulic motors, and control units.
The turntable is represented by an independent liquid preheater for the engine, anti-slip gaskets in the access points, handrails located on the right side of the platform itself, and a fuel water separating filter.
Specifications
This technique is presented in various modifications, so the EK-18 excavator has different technical characteristics, but they do not differ much from each other. The main difference between the manufactured models is the installed engine and hydraulic system, which can be of domestic or foreign production.
The EK-18, EK 18-20, EK 18-30 models are equipped with a D-245 four-stroke four-cylinder diesel engine with a liquid cooling system. With the help of an electric starter, the motor is started. This engine has a vertical in-line arrangement of cylinders. The increased torque is achieved through the use of a pressurized turbocharger.
The EK 18-60, EK 18-47 models are equipped with an English Perkins 1104C-44TA engine produced by the company of the same name. It is a horizontal four-cylinder turbocharged diesel engine. It is distinguished by a cast cylinder block, a cast-iron exhaust manifold, reduced emission of harmful substances into the atmosphere, and reduced fuel consumption.
- work in quarries;
- align sites;
Optional equipment
The EK 18-60, EK 18-47 models are equipped with an English Perkins 1104C-44TA engine produced by the company of the same name. It is a horizontal four-cylinder turbocharged diesel engine. It is distinguished by a cast cylinder block, a cast-iron exhaust manifold, reduced emission of harmful substances into the atmosphere, and reduced fuel consumption.
The mass of the base model is 18 tons, the fuel consumption of the EK-18 is 236 g / kW per hour, the length is 9.4 meters, its width is 2.5 meters, and its height is 3.25 meters, the capacity of a standard bucket is 0.65 meters. cub. The maximum unloading height reaches 6.75 meters.
Scope of use of the Tveks excavator
The universal technique has a wide field of application, which affects the increased interest in it from buyers who want to buy a Tveks EK-18 excavator to solve certain problems. With the help of special equipment, you can perform:
- work in quarries;
- align sites;
- development of soil of all four categories;
- destroy structures of medium strength;
- loading and unloading of various materials;
- loading and unloading, stacking of various sawn timber, logs;
- performance of other works in municipal, forestry, agriculture, used in industrial enterprises, in construction.
Optional equipment
For this special equipment, "Tverskoy Excavator" offers additional equipment, when purchased from Tveks EK-18, the price will be higher, and its scope of use will also expand. Attached equipment is represented by the following types:
- Hydraulic hammer MG-300. They are used for demolition work of concrete, brick, wooden structures and buildings. It can also be used to loosen frozen ground layers, compact loose soil.
- Log grapple MG-300. It has a lifting capacity of up to 3 tons, it is designed for various loading and unloading operations with logs, their stacking. Also, at the request of the customer, the manufacturer can complete it with a full-revolving rotor.
- Ripper 225. Designed to remove various elements from the soil by carrying out a complete cleaning.
- Grab GK-221. It is in demand when carrying out work on loading and unloading materials, and is also used for soil development.
- Hydraulic shears NG-1624. Thanks to additional equipment, the scissors can be rotated, which significantly expands the operations performed.
- Loading grab (five-jaw).
Excavator performance
Designers are constantly improving the workflow of this machine, with the main goal of increasing its productivity. This is reflected in the increased cross-country ability and good maneuverability of the machine, which were achieved thanks to the use of limited slip differentials used in the construction of the running axle. Bucket capacity, hydraulic transmission, powerful engine, use of additional equipment provide this technique with the highest performance and increase its productivity.
The EK-18 earthmoving machine, manufactured by RM-Terex, is a universal technique with a wide field of application, distinguished by the quality of production of all units and assemblies, good technical characteristics, and the ability to compete with any modern counterparts, both domestic and, accordingly, and foreign production ...
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Excavator EK-18 It is used primarily for digging quarries and wells, excavating foundation pits, as well as for loading and unloading operations. It is widely used in industry and agriculture, and is irreplaceable in most construction work.
This is the most powerful model of this series (EK-12, EK-14) with excellent lifting capacity. Thanks to the reinforced metal structure of the working equipment, excavators under the EK-18 brand are distinguished by the highest reliability and durability, and thanks to a huge bucket with a volume of 1 m 3 and two boom-lifting cylinders, the excavator can easily cope with the movement of any, even the most heavy loads. The comfort of the driver's workplace was not ignored either. The new cab also offers excellent visibility.
The EK-18 excavator is equipped with a powerful D-245 engine (105 hp), equipped with a German-made engine preheater. If necessary, the EK-18 can be equipped with imported hydraulics and an English Perkins diesel engine.
If we talk about such an important indicative ratio as price-quality, then here EK-18, perhaps, has no competitors from domestic manufacturers. Only a few foreign manufacturers with well-known names are ready to offer similar solutions. Sticks for 2200, 2800 and 3400 mm. allow the use of buckets with a diameter of 0.65 m 3, 0.77 m 3 and 1 m 3, respectively, on the excavator.
EK-18 spare parts. EK-18 excavator repair
Despite the reliability of the model, there are situations when the EK-18 excavator requires repair. In this case, you can contact Tvermashkomplekt. We have established direct deliveries of EK-18 spare parts from the manufacturer, which significantly reduces their final cost for the consumer. Also, if the Tveks excavator. You no longer need it, we are ready to redeem it at a good price.
We invite you to draw your attention to possible additional replacement equipment - spare parts for EK-18:
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hydraulic hammer MG-300 |
for destruction of concrete and reinforced concrete road surfaces, brick structures, unreinforced concrete, for loosening frozen soil and compacting loose soil |
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ripper 225-00-40.17.400 |
for excavation of curbs, opening of asphalt-concrete crust of frozen soil, etc. |
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grab GK-221 |
for digging trenches, wells, ditches and for loading and unloading various materials. The grab can be equipped with a full-turn hydraulic rotator. To increase the depth of gripping of the load, an extension can be installed on the grapple |
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log gripper 313-00-40.12.000, (carrying capacity 3 t.) |
for loading and unloading operations and stacking of logs and other lumber. The log grapple can be equipped with a full-turn rotator. |
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hydraulic shears IG-811, IG-821 |
Concrete breaking works. The hydraulic shears are equipped with a rotator that allows them to be rotated at any angle. |
EK-18 excavator options:
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Excavator model |
Weight, t |
Bucket volume, m3 |
Digging depth, m |
Engine brand |
Description |
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Excavator |
OPU 1400, hands. L = 2200 mm "PSM" hydraulics, "Hydronic" heater |
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Excavator |
OPU 1400, hands. L = 2200mm, "Bosch-Rexroth" hydraulics (hot water, hot water travel), "Hydronic" heater |
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Excavator |
Perkins 1104C-44 |
OPU 1400, hands. L = 2200 mm, hydraulics "Bosch -Rexroth" (g / n. G / m of stroke g / m of rotation), heater "Hydronic" |
Pneumatic hydraulic excavators Tveks EK-18, manufactured at the plant in Tver, is one of the most popular and most powerful models in the manufacturer's line.
Technical characteristics of Tveks EK-18, weight
The maximum speed that this model is capable of developing is 20 km / h.
The standard digging depth of Tveks EK-18 is 5.7 meters, the digging radius at the parking level is 8.85 meters, and the unloading height is 6.2 meters. Depending on which stick size was chosen, certain indicators of earthmoving work that are different from the standard are changed and installed.
All the specified sizes of the sticks (2.2, 2.8 and 3.4 meters), which can be equipped with the EK-18 excavator, make it possible to use buckets of various sizes: 0.65, 0.77 and 1 cubic meter. meters respectively.
Engine Tveks EK-18
The Tveks EK-18 excavator is equipped with a D-245 power unit. At the request of the customer, this machine can be equipped with an imported Perkins engine (with increased power) with a hydraulic pump and a hydraulic travel motor manufactured by Bosh-Rexort.
Photo source: avtex.su
The D-245 engine is:
- four-stroke
- four-cylinder (diameter of each - 110 mm)
- diesel power unit.
There is a liquid cooling system, direct fuel injection, a fuel pre-heater, which allows you to start the car without problems at air temperatures down to -40 ° C. In general, the temperature range at which the operation of Tveks EK-18 is possible is quite wide: from minus 40 to plus 40 degrees Celsius.
Fuel tank Tveks EK-18 is capable of holding up to 255 liters of diesel fuel.
Maintenance
Reinforced metal construction of the working equipment made the EK-18 excavators even more reliable, increasing their service life. There are no problems with maintenance and repair, since all spare parts are available in the manufacturer's warehouse and from official representatives.
Dimensions (edit)
Management, cabin Tveks EK-18
This excavator model is distinguished by a more spacious and more convenient cabin in terms of the location of the controls. In it, the specialists of the Tver plant increased visibility. The cab is dust-resistant.
Photo source: avtex.su
Attachments
In addition to a large selection of digging buckets for EK-18 excavators, several types of additional attachments are provided.
So, the machine can be equipped with:
- hydraulic shears
- hydraulic hammer
- log gripper
- ripper
- digging grab
- loading grab.
All this makes it possible to operate the machine not only on urban construction sites. It is actively used in agriculture and forestry, especially after it became possible to install a log grabber, as well as in rural, land reclamation and transport construction.
Russian manufacturers have created an even more powerful machine with a reinforced metal structure of the supporting part. Factory fitted special hydraulic supports make the machine even more stable than previous models. The EK 18 excavator on wheels, unlike tracked vehicles, has good maneuverability. Due to the increase in the support area, it can work on any landscape areas, even and with large slopes.
Multifunctional earthmoving machine intended both for agricultural work and for almost any construction site of various sizes. Development of foundation pits and digging of wells, leveling and excavation of soils of I-IV categories, reclamation, loading, unloading of materials, planning of territories and demolition of old structures made of reinforced concrete, bricks, loosening of rocks. The model is compact, does not scratch asphalt areas, tiles, easily passes through narrow streets between buildings, therefore, it has been evaluated and put into operation by a number of road and communal services in different cities.
Single-bucket unit with a turntable, reduced in radius to 2000 mm, on a pneumatic wheel running from a standard compressor, equipped with a hydrostatic transmission and a pneumatic brake system.
- Speed - 20 km / h (sufficient for heavy equipment);
- Operational weight - 18,000 kg;
- Turning angle - 177 degrees;
- Bucket capacity - 1 cu. meter;
- Digging depth - 5770 mm;
- Unloading height - 6240 mm;
- Radius - 9100 mm;
- Stick - 2200 mm.
When installing arrows of other sizes, for example, 2800 or 3400 mm, the parameters of work (digging) also change, respectively: radius 9420 and 1020 mm; depth 6370 and 6970 mm; unloading heights 6500 and 6750 mm.
Engine characteristics
Engine type - D 245, diesel, liquid cooling. Fuel tank with a capacity of up to 255 liters; fuel consumption - 236 sq. in hour. Power, at a certain speed of the crankshaft, reaches 105 horsepower. On models equipped with Perkins, 123 horsepower. Some of the equipment was additionally equipped with Hydronic 10 and a starting heater, which will facilitate starting at high subzero temperatures. Recording the operating time will help to properly plan the necessary maintenance. With good maintenance of the equipment and the correct choice of lubricants, it will be possible to extend the service life and guarantee the uninterrupted operation of the unit.
Dimensions and cab
Machine length - 9400 mm, height - 3300 mm, width - 2500 mm. Undercarriage - 4700 mm, track width 1800 mm for the inner and 2100 mm. for the outer part of the wheels.
Safe, single cabin, with a large glazing area for an all-round view of the working area. Equipped with a Zenith heater with an air flow distribution system, which excludes freezing and fogging of glass at any time of the year. With a comfortable driver's seat and additional compartments for storing personal and essentials, tools, to eliminate minor breakdowns. Convenient arrangement of instruments and sensors on the control panel, the interior is made of plastic, the insulated door. Additionally, using hydraulics, the cab can be raised to the required height.
Modification and assembly of similar equipment
Domestic components in cooperation of important units from a foreign manufacturer - an ideal combination of quality and price:
- The EK 18 20 excavator is presented on the market in the basic configuration. Model with a capacity of 77 kW, with German-made hydraulic equipment and the Russian engine MMZ 245, manufactured at the Minsk Tractor Plant.
- As a revision of the previous model with imported mechanisms and a hydraulic system - EK 18 30.
- Additional scrap equipment, a hydraulic lifting cabin and the EK 18 40 went on sale.
- EK 18 44 is equipped with a five-jaw gripper model GP-554.
- Special equipment with a power of 90 kW, a Perkins 1104C-44TA engine and Bosch-Rexroth equipment, the name was given to EK 18 60.
Also, the models EO-3323 and MSU-140 can be called similar.
Replaceable equipment
The working equipment is standardly equipped with an excavating bucket with a maximum load of up to 1 cubic meter. At the request of the customer, it can be replaced with a larger bucket and equipped with a hydraulic front dump. The boom is either monoblock or with variable geometry. It is also possible to use a variety of removable (attachment) equipment for dismantling, destruction, cutting. Of which 90% the company produces independently, which additionally allows you to control quality, compatibility and prices:
- Hydraulic hammer- destruction of buildings, crushing of household stones and frozen ground;
- Hydraulic shears- with a full-revolving rotor for cutting concrete structures, cables and wires;
- Log grapple(lifting capacity up to 3000 kg.) - skidding wood at logging areas, stacking logs, other sawn timber and scrap metal (can also be equipped with a full-revolving rotor);
- Single shank hydraulic ripper- excavation work, dismantling, opening of the asphalt concrete crust;
- Digging and loading grab- moving bulk materials of different consistency.
Average cost of construction equipment
Approximate prices for a new bulldozer are from three to four million rubles, in each region the cost will differ.
Today there are many advertisements for the sale of used construction equipment, someone needed a car for a year or two, different brands, equipment and release dates. In some cases, it makes sense to pay attention not to a new one, but to an already used one. As an example:
Chelyabinsk, 2012 - 3,000,000 rubles;
Novosibirsk, 2009 - 1,460,000 rubles;
Stavropol, 2007 - 1,250,000 rubles;
Tomsk, 2005 - 670,000 rubles;
Irkutsk, 2002 issue. - 300,000 rubles.
The range of prices is rather big, from three million to three hundred thousand rubles, there is an explanation for this. Even if the documents are in complete order, the equipment is working properly and passed MOT on time, first of all, the cost will depend on: year of manufacture, operating time, operating conditions, number and scale of breakdowns, appearance. Place of use and sale (geographically) plus the price policy of the store.
The elder brother from the Tveks EK family and just a good hard worker. Consider what he is and how he differs from the smaller brothers.
Among the products of the Tver plant, the TVEKS EK-18 excavator has the highest power indicators. Such advantages as long service life and reliability of the equipment are due to the use of a reinforced metal structure of the supporting part.
Consumers also note the high technical characteristics of the machine, in Russia the EK-18 is one of the most demanded models of domestic production. The manufacturing company JSC "Tverskoy Excavator" manufactures a large number of special construction equipment. The hydraulic special vehicle is equipped with a pneumatic wheel drive. The excavator is positioned as a versatile, productive, unpretentious, easy-care equipment for performing earthmoving tasks. Its economy is due to the availability and low cost of parts, low fuel consumption.
The TVEKS 18 excavator easily copes with soils of any category, which makes it possible to use the equipment everywhere. The main works for which the EK-18 is used:
- territory planning;
- loading and unloading operations with pallet cargo;
- demolition of construction sites;
- career work;
- production of excavations - pits, trenches;
- other types of construction and agricultural work.
Manufactured in Russia, the TVEKS EK-18 excavator is unpretentious in terms of operating conditions. It has high performance at high and low temperatures, high humidity, etc. Thanks to such qualities as efficiency, reliability, maintainability and versatility, the excavator has become an indispensable assistant on construction sites and in quarries.
Modifications
There are several modifications of the equipment, the main distinguishing features of each model are the hydraulic system and the motor. The latter can be installed in foreign or Russian production. The overseas unit is characterized by higher power, economy and longer periods between maintenance.
EK-18 modifications:
- standard model EK-18;
- TVEKS EK-18-20 is characterized by increased efficiency; a standard working body (bucket) with a capacity of 1 cubic meter is installed on it. m. All equipment components are manufactured in Russia. The main frame is reinforced to ensure high performance in tough working conditions. TVEKS 18-20 can be equipped with a large number of additional working bodies. This modification is considered the most powerful and multifunctional;
- EK-18-30 is the previous model with an improved foreign-made hydraulic system;
- EK-18-40 has a clamshell gripper as a working body as standard. This special equipment is most often used in logging and scrap metal recycling enterprises. Optionally, this model can be equipped with a lifting cabin (using hydraulics) and a scrap body;
- EK-18-44 is an improved version of the previous model. Here, a hydraulic lifting cabin, a scrap organ, a five-jaw grab with a capacity of 0.65 m3, and a full-revolving rotator are installed as standard. Its main purpose is loading and unloading of gondola cars, as well as work for which the EK-18-40 modification is intended;
- TVEKS EK-18-60 is equipped with a hydraulic propeller motor jointly produced by Bosch and Rexroth, a hydraulic pump, and a power plant manufactured by Perkins;
- EK-18-90M is the latest development of the manufacturer, in which axles with limited slip differentials are installed, due to which the ability to overcome difficult sections is improved. The steering wheel made in Italy is smaller, which creates a more comfortable working environment for the operator. In addition, the cab has increased rigidity. The power plant is characterized by increased power indicators, which favorably affects the efficiency of the equipment. Sticks of various sizes are optionally installed, 2.2 m is used as a standard one. Increasing its length contributes to deeper digging, but the capacity of the working body is reduced.
Specifications
To increase the carrying capacity of TVEKS 18, it is planned to install two boom-lifting hydraulic cylinders and a bucket with a volume of 1 cubic meter. m.
The main technical characteristics of TVEKS EK-18 include:
- weight - 18 tons;
- the capacity of the working body of the standard assembly - 0.65 m3, 0.77 m3, 1 m3;
- unloading height - from 6.24 m to 6.75 m;
- digging radius - from 8.85 m to 10 m;
- digging depth - from 5.77 m to 6.97 m;
- the angle of rotation of the working body - 177 degrees.
The characteristics of heavy construction equipment depend on the modification. The machine demonstrates high performance at ambient temperatures from -40 to +40 degrees. Thus, the excavator can work not only in Russia, but also in other countries.
Engine
The high performance of TVEKS 18 is due to the installation of a powerful 4.75 liter D-245 engine. It is a 77 kW or 107 horsepower four-stroke four-cylinder power plant. It is equipped with a water cooling system and a direct fuel mixture supply system. The rotation frequency is 2200 revolutions per minute of operation. Diesel fuel is used, the unit is started by means of an electric starter. The engine accessories are manufactured in Germany. Modifications can be equipped with a Perkins engine, model 1104C-44TA with a capacity of 123 horsepower.
The cylinders of the domestic engine with a diameter of 110 mm are arranged in a row, vertically. The main components of the motor are connecting rods, pistons, cylinder block, cylinder head, flywheel, crankshaft. They are all serviceable. To increase the performance of the power plant, turbocharging is used, which ensures an increase in torque to a maximum value (386 Nm) and acceleration. The blowing force is controlled by the operator.
To start the engine in frosty weather, a prestarting heater made in Germany "Hydronic 10" is provided.
Fuel consumption
It is 236 g / kW per hour of operation, the diesel fuel tank holds 255 liters.
Transmission
Gearbox
1 - flange; 2 - shaft-half-coupling; 3, 16 - cuffs; 4, 8, 11, 18,20,23,25 - bearings; 5 - hydraulic motor; 6, 28 - body; 7, 9, 19, 24, 26 - gears; 10 - pinion shaft; 12, 17.29 - covers; 13 - brake pulley; 14 - brake shoe; 15 - fingers; 21.27 - half couplings; 22 - shaft.
The EK-18 gearbox (gearbox) is used to transfer torque from the hydraulic motor to the drive axles; for shifting gears, turning on / off the front axle and preventing the excavator from spontaneous start of the movement (applying the parking brake). As part of the gear change box - a hydraulic motor, a 2-stage gear transmission, a gear change mechanism, a parking brake. Shoe-type pneumatic brakes are mounted in the excavator axles.
Electrical equipment
The electrical equipment of the EK-18 is responsible for starting the engine, lighting the working area if necessary, ventilating the cab, turning on the light alarm when a special vehicle is moving, and for pre-starting the diesel engine. In addition to the starter, electric power consumers using this technique are instrumentation, lighting and light-signaling equipment, fan motors, and a motor heater. All sources and consumers of current are connected according to a single-wire circuit, in which the metal structure ("mass") of the special vehicle serves as the negative wire.
Chassis
The chassis is represented by a wheeled chassis. The excavator is equipped with a hydrostatic gearbox manufactured by the German company ZF, which is characterized by high reliability, long service life and efficiency under any working conditions. This transmission, when working together with the engine, allows the vehicle to move at a speed of up to 20 km / h.
Moving the TVEKS 18 excavator around the work site is carried out autonomously. To transport equipment to a work site, it is necessary to use a tugboat, while the maximum speed of movement reaches 40 km / h.
The standard assembly includes a blade support and two outriggers that provide stability to the machine.
Hydraulic system
The consumer has the opportunity to buy TVEKS EK-18 with various hydraulic systems, depending on the modification of the machine. A system produced by the Russian company Pnevmostroymashina is installed as standard. It is characterized by a power of 50 kW or 70 horsepower. The maximum pressure in the system is 28 MPa, and the pump that creates it pumps 248 liters of hydraulic fluid per minute of operation. The tank for the hydraulic fluid has a capacity of 350 liters.
Modifications are equipped with a co-production system from Bosch and Rexroth.
Device
The main advantages of the TVEKS EK-18 excavator include:
- simplicity of management and production of service works;
- reliability, durability;
- versatility and multifunctionality due to the installation of additional working bodies;
- productivity;
- installation of a high-power power unit;
- installation of a comfortable operator's seat;
- stability;
- installation of an ergonomic operator's cab with a wide viewing angle, protective barriers against dust and increased safety.
dimensions
EK-18 dimensions: 9.4 mx 2.5 mx 3.25 m (5.25 m with the cabin raised). Depending on the modification, the dimensions of the equipment may deviate from those indicated by 0.1 - 0.2 m.
Cabin
The benefits of an excavator cab include increased safety and ease of use. The control of the TVEKS EK-18 excavator is now even easier, and all the operator's attention is focused not on the controls, but on the working process.
The cabin itself was designed by a Russian manufacturing company. It has a large glazing area, excellent vibration isolation, a heating system is included as standard. Optionally, you can install an air conditioning system, a reduced-size steering wheel with the ability to adjust, a driver's seat with adjustment for individual characteristics, a joystick control system.
The position of the operator's cab relative to the undercarriage has changed slightly. The entire platform is now visible. This innovation allowed the EK-18 to become a competitor to foreign equipment of world brands. At the same time, the quality / price ratio of the domestic model is several times higher than that of foreign special equipment.
The dashboard includes controllers and controls, the location of which is carefully thought out. In the cab of the TVEKS EK-18 excavator there are several compartments for things - tools, first-aid kit, personal belongings, etc.
Attachments
The technique is multifunctional and versatile due to the possibility of installing various attachments. The standard package includes a bucket with a capacity from 0.65 m3 to 1 m3, depending on the modification and the length of the stick. TVEKS EK-18 goes on sale complete with working bodies:
- grabs - loading (5-jaw) for bulk cargo, digging;
- the ripper is used in the development of rocky and frozen soils;
- a hydraulic hammer is necessary for the demolition of concrete and reinforced concrete construction objects or their parts, for the development of frozen soils;
- a log gripper with the ability to handle loads weighing up to 3 tons. It guarantees high efficiency in the production of loading and unloading operations and storage of pallet materials. Additionally, a full-turn rotator can be installed;
- hydraulic shears are used for cutting metal products and crushing hard materials.
Advantages and disadvantages
The acquisition of EK 18 TVEX is a smart and long-term investment. Special equipment with increased technical and good running capabilities, simple and intuitive operation, unpretentious in operation and maintenance. With affordable and reasonable prices for spare parts and a large number of technical support centers in almost every city. According to the survey results - payback in the shortest possible time.
The disadvantages include only one: the wheel formula of the machine is not designed to work in low-bearing soils.
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