Excavator tveks 18. Universal excavators ek kranex and tvex

Russian manufacturers have created an even more powerful machine, with a reinforced metal structure of the load-bearing part. Thanks to special hydraulic supports installed at the factory, the equipment is even more stable than previous models. The EK 18 excavator on wheels, unlike tracked vehicles, has good maneuverability. Due to the increase in supporting area, it can work on any landscape areas, flat and with large slopes. Multi-functional earth moving machine is designed

both for agricultural work and for almost any construction sites of different sizes. Development of pits and digging wells, leveling and excavation of soils of categories I – IV, reclamation, loading and unloading of materials, territory planning and demolition of old structures made of reinforced concrete, brick, loosening of rocks. The model is compact, does not scratch asphalt areas or tiles, and easily passes along narrow streets between buildings, therefore it has been evaluated and put into operation by a number of road and municipal services in different cities.

A single-bucket unit with a rotating platform, reduced in radius to 2000 mm, on pneumatic wheels, which operates from a standard compressor, is equipped with a hydrostatic transmission and a pneumatic braking system.

• Speed ​​– 20 km/h (sufficient for heavy equipment);
• Operating weight – 18,000 kg;
• Rotation angle – 177 degrees;
• Bucket capacity – 1 cubic meter. meter;
• Digging depth – 5770 mm;
• Unloading height – 6240 mm;
• Radius – 9100 mm;
• Handle – 2200 mm.

When installing booms of other sizes, for example, 2800 or 3400 mm, the work (digging) parameters also change, respectively: radius 9420 and 1020 mm; depth 6370 and 6970 mm; unloading height 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. at one o'clock. Power, at certain crankshaft speeds, 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 make starting easier at sub-zero temperatures. Recording operating hours will help you correctly plan the necessary maintenance. With good care of the equipment and the correct choice of lubricants, it will be possible to extend the service life and guarantee uninterrupted operation of the unit.

Dimensions and cab

The length of the machine is 9400 mm, the height is 3300 mm, the width is 2500 mm. Chassis – 4700 mm, track width 1800 mm for internal and 2100 mm. for the outer part of the wheels.

Safe, single cabin

, with a large glass area for all-round visibility of the work area. Equipped with a Zenith heater with an air flow distribution system, which eliminates freezing and fogging of the glass at any time of the year. With a comfortable driver's seat and additional compartments for storing personal and essential items, tools, and for eliminating minor breakdowns. Convenient location of instruments and sensors on the control panel, interior made of plastic, insulated door. Additionally, using hydraulics, the cabin can be raised to the required height.

Modification and configuration of similar equipment

Domestic components in cooperation with important components from a foreign manufacturer - the ideal combination of quality and price:

1. The EK 18 20 excavator is presented on the market in the basic configuration. The model has a power of 77 kW, with German-made hydraulic equipment and a Russian MMZ 245 motor, manufactured at the Minsk Tractor Plant.
2. As a modification of the previous model with imported mechanisms and hydraulic system - EK 18 30.
3. Additional scrap equipment, a hydraulic lifting cabin and the EK 18 40 went on sale.
4. EK 18 44 is equipped with a five-jaw grab model GP-554.
5. The special equipment, with a power of 90 kW, a Perkins 1104C-44TA engine and Bosch-Rexroth equipment, was given the name EK 18 60.

Models EO-3323 and MSU-140 can also be called similar.

Replacement equipment

The working equipment is standardly equipped with an earth-moving 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 blade. The boom is either monoblock or with variable geometry. It is also possible to use a variety of replaceable (attached) equipment for dismantling, destruction, and cutting. Of which, the company produces 90% independently, which additionally allows you to control quality, compatibility and prices:

• Hydrohammer
  – destruction of buildings, crushing of household stones and frozen soil;
• Hydraulic shears
  – with a full-rotary rotor for cutting concrete structures, cables and wires;
• Log grabber
  (load capacity up to 3000 kg) – skidding of wood at cutting sites, stacking logs, other lumber and scrap metal (can also be equipped with a full-turn rotor);
• Single-tooth hydraulic ripper
  – excavation work, dismantling, opening of asphalt concrete crust;
• Digging and loading grab
  – moving bulk materials of various consistencies.

Average cost of construction equipment

Approximate prices for a new bulldozer are from three to four million rubles; the cost will vary in each region. Today there are many advertisements for the sale of used construction equipment, some 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 one that has already been in operation. As an example: Chelyabinsk, 2012 issue. – 3,000,000 rubles; Novosibirsk, 2009 issue. – RUB 1,460,000; Stavropol, 2007 issue. – 1,250,000 rub.; Tomsk, 2005 issue. – 670,000 rubles; Irkutsk, 2002 issue. – 300,000 rub. The price range is quite large, from three million to three hundred thousand rubles, there is an explanation for this. Even if the documents are in complete order, the equipment works properly and has undergone maintenance 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 store’s pricing policy.

Among the products of the Tver plant, the TVEX EK-18 excavator has the highest power indicators. Advantages such 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 popular domestically produced models. The company produces a large number of special construction equipment. The hydraulic special vehicle is equipped with pneumatic wheels. The excavator is positioned as a universal, productive, unpretentious, easy-to-maintain equipment for performing earth-moving tasks. Its profitability is due to the availability and low cost of parts and low fuel consumption.

How far can a crawler excavator travel?

The movement of tracked excavators under their own power is permitted for a distance of no more than 5 km, and for pneumatic wheeled excavators - for almost any distance.

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Modifications

There are several modifications of the equipment; the main distinguishing features of each model are the hydraulic system and motor. The latter can be installed foreign or Russian-made. The foreign unit is characterized by higher power, efficiency and long periods between maintenance.

EK-18 modifications:

• standard model EK-18;
• TVEX EK-18-20 is characterized by increased efficiency; a standard working element (bucket) with a capacity of 1 cubic meter is installed on it. m. All equipment components are produced in Russia. The main frame has a reinforced structure, which guarantees high performance when working in harsh conditions. TVEX 18-20 can be equipped with a large number of additional working parts. This modification is considered the most powerful and multifunctional;
• EK-18-30 is the previous model with an improved foreign-made hydraulic system;
• The EK-18-40 has a clamshell grab as a working tool as standard. This special equipment is most often used in logging and scrap metal processing plants. 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. A hydraulic lifting cabin, a scrap organ, a five-jaw grab with a capacity of 0.65 m3, and a full-rotary rotator are standardly installed here. Its main purpose is loading and unloading of gondola cars, as well as work for which the EK-18-40 modification is intended;
• TVEX EK-18-60 is equipped with a hydraulic propulsion motor jointly produced by Bosch and Rexroth, a hydraulic pump, and a power unit manufactured by Perkins;
• EK-18-90M is the latest development of the manufacturer, in which axles with limited slip differentials are installed, which improves the ability to overcome difficult areas. The steering wheel made in Italy is smaller in size, which creates more comfortable working conditions for the operator. In addition, the cabin has increased rigidity. The power plant is characterized by increased power indicators, which has a beneficial effect on the efficiency of the equipment. Optionally, handles of various sizes are installed; 2.2 m is used as standard. Increasing its length promotes deeper digging, but the capacity of the working body is reduced.

The performance of Kranex excavators is achieved through:

• joystick control of work operations, the joystick is built into the handle of the chair;
• ergonomic operator's chair;
• functions for checking the condition of the machine before work, informing the operator about existing malfunctions;
• high power heater, possibility of installing air conditioning;
• pre-heater with timer;
• powerful floodlight system;
• centralized supply of lubricant to all hard-to-reach places,
• tap for routine sampling of working fluid.

Technical characteristics and dimensions

To increase the lifting capacity of TVEX 18, the installation of two boom-lifting hydraulic cylinders and a bucket with a volume of 1 cubic meter is provided. m.

The main technical characteristics of TVEX EK-18 include:

• weight – 18 t;
• capacity of the standard assembly working body – 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;
• 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.

Dimensions of the EK-18: 9.4 m x 2.5 m x 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.

Differences between the EK 270 crawler excavator

The main advantage of the model is that it is equipped with numerous indicators of its correct operation. If problems are detected in the hydraulic system or in the engine compartment, the driver will be immediately notified of the problems. There is also a unique regulator for control systems. The price of the modern gas volume corrector EK 270 is quite high, but it ensures the correct supply of signals to the engine.

Performance characteristics

The excavator is equipped with a 6-cylinder engine with an electric starter producing 180 hp. The length is 10.4 m, the width is 3.25 m (with the smallest tracks), and the minimum height is 2.9 m (depending on the installed handle). Ground clearance is 45 cm. The volume of the fuel tank is 360 l, the coolant tank is 42 l. It can be equipped with caterpillar belts with dimensions of 60, 90 and 120 cm. An auger drill, a hydraulic hammer, a grab, and a ripper can be used as additional equipment.

Features of hydraulic equipment

The hydraulic system installed on the EK 270 Kranex excavator is distinguished by its economical consumption of resources. It automatically adjusts to a new operating mode, allowing you to carry out tasks efficiently and quickly. The maximum operating pressure of the system is 32.5 MPa. Includes installation of parts from foreign manufacturers: Swiss Hydrauto hydraulic cylinders, German control units, Bosch Rexroth hydraulic motors and pump, Italian Manuli high-pressure hoses.

Engine

The high characteristics of TVEX 18 are due to the installation of a powerful D-245 engine with a volume of 4.75 liters. It is a four-stroke, four-cylinder powerplant producing 77 kW or 107 horsepower. It is equipped with a water cooling system and a direct fuel mixture supply system. The rotation speed is 2200 revolutions per minute of operation. Diesel fuel is used, the unit is started using an electric starter. Engine auxiliary components are manufactured in Germany. Modifications can be equipped with a Perkins engine, model 1104C-44TA, with a power 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 engine are connecting rods, pistons, cylinder block, cylinder head, flywheel, crankshaft. All of them are serviceable. To improve the performance of the power plant, turbocharging is used, which ensures an increase in torque to a maximum value (386 Nm) and throttle response. The boost force is adjusted by the operator.

To start the engine in cold weather, a pre-start heater made in Germany “Hydronic 10” is provided.

EK-18 fuel consumption is 236 g/kW per hour of operation

, the diesel fuel tank holds 255 liters.

The single-bucket excavator EK-18 is a multi-purpose earthmoving machine designed for developing pits, trenches, quarries in soils of categories I-IV, loading and unloading bulk materials, loosened rocks and frozen soils (with pieces no more than 200 mm in size), as well as other work in the conditions of industrial, urban, rural, transport and reclamation construction.

Replaceable types of working equipment:

1. Replaceable handles L=2200, 2800, 3400 mm and with buckets, respectively V= 0.77 m 3,0.65 m 3; 2. Hydraulic hammer MG-300, designed for destruction of concrete and reinforced concrete road surfaces, brick structures, unreinforced concrete and other similar works, including loosening frozen soil and compacting loose soil; 3. Hydraulic shears NG-1624; 4. Ripper 225-00-40.17.400; 5. Log grabber 313-00-40.12.000 with a lifting capacity of 3 tons for loading and unloading operations and stacking logs and other lumber. The log grabber can be equipped with a full-rotation rotator; 6. Digging grab and grab for bulk materials.

There is an option with two pairs of outriggers.

Various modifications of the EK-18 excavator:

Excavator EK-18-20

Provides high productivity due to a 1 cubic meter bucket. The reinforced metal structure of the working equipment ensures high reliability and durability. For the EK-18-20 excavator there is a large set of replaceable working equipment. The EK-18-20 excavator is considered the most powerful multifunctional machine.

Excavator EK-18-30

has the same characteristics as the EK-18-20 excavator, but is equipped with imported hydraulics.

Excavator EK-18-40

— pneumatic wheeled hydraulic excavator for loading and unloading operations with a grab grip. A special machine for loading scrap metal and timber is an EK-18-40 excavator with scrap equipment and a hydraulic lifting cabin.

Excavator-reloader EK-18-44

— special pneumatic wheel with scrap equipment, five-jaw grab GP-554 with a volume of 0.65 cubic meters. meters, a full-rotating rotator and a hydraulic lifting cabin for loading scrap metal and timber, for loading/unloading gondola cars.

Excavator EK-18-60

equipped with a Bosch-Rexroth hydraulic pump and hydraulic motor, and a Perkins engine.

Single-bucket full-rotary pneumatic wheeled excavator EK-18:

1 - power plant; 2 - rotating platform; 3 — operator’s cabin; 4 — monoblock boom; 5, 7, 10 — hydraulic cylinders of the handle, bucket and boom; 6 — handle; 8 - ladle; 9 — blade support; 11 – pneumatic wheel running device; 12 — outrigger

In the Tver plant line, the EK-18 model is the flagship with the highest load capacity. The main features of the equipment (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 the destruction and dismantling of reinforced concrete, brick and concrete structures of medium strength. The model is also used for the destruction of metal structures, cutting scrap metal, cutting reinforcement and loading and unloading non-friable and loose soils. The technique has also found application in performing 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 functionality. The most popular are mobile modifications with a wheeled chassis, but there are also heavy tracked versions.

The EK-18 is a truly multi-purpose earthmoving machine. Using it, you can dig quarries, trenches and pits in soils belonging to categories I-IV, as well as load frozen soils and loosened rocks with a piece size of less than 200 mm.

Excavator Kranex EK 270-05, 2005 in great condition

Additional Information:

The Kranex EK 270-05 excavator is a durable and reliable assistant in various types of excavation work, open-pit mining, reclamation work, and in the destruction of reinforced concrete structures. Another advantage of the machine is its durable and spacious cabin, in which the operator can work comfortably and productively. It should be noted that the excavator is equipped with a Bosch Rexroth control unit , which is highly sensitive and ensures fast, smooth and accurate execution of all operations. The EK 270-05 is equipped with a four-stroke six-cylinder diesel engine with electric start YaMZ 236M2 . YaMZ engines guarantee long-term trouble-free operation of the excavator. They are not demanding during operation and are easy to maintain. The efficient fuel combustion system ensures high rated engine power and efficiency. To effectively start the engine at subzero temperatures, a Webasto (Germany) pre-heater is installed. The hydraulic system is easy to use, universal (meets the requirements of any additional equipment), develops a working pressure of 32.5 MPa, allows you to achieve maximum productivity while reducing unproductive losses. All elements of metal structures are made only from low-alloy steel, which ensures their increased strength and durability. Structural elements that experience increased loads during operation are made of high-strength steel 10 HSND. For the production of buckets, “Weldox” and “Hardox” (Sweden) steels are used, which have increased strength and wear resistance. Travel hydraulic motors "Bosch Rexroth" (Germany) and travel gearboxes "Trasmital Bonfiglioli" (Italy) provide increased reliability of the excavator when moving, as well as the necessary traction force when overcoming climbs and when making turns. A wide range of additional equipment (buckets of various shapes and capacities, hydraulic hammer, ripper, auger drill, grab) ensure the versatility and high productivity of the EK 270-05.

Technical characteristics of EK-270-05

Modifications of the EK 18-20, 18-30, 18-40, 18-44, 18-60 excavator

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 equipment can operate in difficult conditions. For the EK-18-20, the manufacturer offers a huge selection of replacement working equipment. At the same time, 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 presence of imported hydraulics;
• EK-18-40 is a hydraulic pneumatic wheeled excavator equipped with a grab grip. 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 wheel modification with a GP-554 5-jaw grab with a capacity of 0.65 cubic meters, a hydraulic lifting cabin, a full-rotary rotator and scrap equipment. Used for loading/unloading gondola cars and loading timber and scrap metal;
• The EK-18-60 is equipped with a Bosch-Rexroth hydraulic travel motor, a hydraulic pump and a Perkins unit.
• Wheeled excavator Tveks EK-18-90 (M) is an evolutionary continuation of the previous model. Changed design of working equipment, more powerful engine.

Main advantages of EK-18:

1. sustainability;
2. powerful motor;
3. forward cabin;
4. long service life and reliability;
5. high performance;
6. ease of operation and ease of maintenance;
7. multifunctionality;
8. thoughtful arrangement of instruments and indicators on the control panel.

Features and advantages of the Kranex EK 270 excavator

The EK 270 machine is a crawler excavator. It is equipped with a full-rotating platform and has significant advantages over its competitors and analogues:

• The machine is equipped with a reliable Bosch control system that does not fail.
• Special hydraulic bearings from Simrit suppress vibration vibrations that occur during operation.
• Hatches and doors provide sound and thermal insulation due to reliable seals.
• The cabin is designed to provide maximum comfort to the driver, large windows increase the viewing area, and the Grammer seat adjustment mechanism will allow you to choose the optimal body position.

Photo of the Kranex EK 270 excavator

Specifications

The weight of the excavator is 18,000 kg. Dimensions EK-18:

• length – 9400 mm;
• width – 2500 mm;
• height – 3250 mm;

Operating 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 speed of the equipment is 20 km/h.

Fuel consumption

The fuel consumption of the EK-18 is 236 g/kW per hour. At the same time, the model’s fuel tank holds up to 255 liters.

Engine

The 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 via an electric starter. The power plant is equipped with additional elements manufactured in Germany. Some modifications of the EK-18 are equipped with an English Perkins unit with increased power.

The D-245 engine has an in-line vertical arrangement of cylinders. The main assemblies of the power plant are the crankshaft, cylinder block, flywheel, pistons, cylinder head and connecting rods. The use of turbocharger boost with adjustable 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 speed – 2200 rpm;
• cylinder diameter – 110 mm.

Device

One of the main features of the EK-18 is the unique design of the cabin, which has been redesigned to the maximum for convenient and safe operation of the equipment. The Tver Excavator engineers have significantly transformed this element in terms of control. Otherwise (individual controls, levers) there have been no fundamental changes.

The cockpit layout of the EK-18 has also been revised. It now provides the operator with maximum visibility. According to this indicator, Tver equipment can easily compete with advanced foreign analogues. At the same time, in terms of quality and price, it surpasses many of them.

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. Used for dismantling a variety of wooden, concrete and brick buildings and structures. The hydraulic hammer is also used to compact the loose soil 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 grabber MG-300. It is used for unloading, loading, stacking logs and has a load capacity of 3000 kg. Additionally, it can be equipped with a full-rotary rotator;
• grab GK-221. It is used to perform operations for unloading and loading materials and excavating soil.

Price new and used

The new EK-18 excavator will cost 4-4.5 million rubles. Used options are much more affordable. So, for a 2008-2009 model in good condition you will have to pay 1-1.8 million rubles. Cars before 2000 are offered for 400-500 thousand rubles. Renting an excavator costs about 8,000-10,000 rubles per shift.

Analogs

Analogues of EK-18 are models EO-33211 and EO-4321.

The reliability of KRANEKS machines is realized through:

• one of the most reliable domestic YaMZ engines, different for each of the three vehicles;
• hydraulics from the world's leading manufacturers: Mannesmann Rexroth, KOMATSU, Parker Hydraulics, Haldex, HYDAC Filtertechnik, Manuli, Busak & Shamban.
• installation of a German Webasto pre-heater on each diesel engine, which is used for starting in the cold season.
• the use of more durable steel grades 10ХСНД and 15ХСНД for the production of basic metal structures, booms and handles;
• use of sheet steel of greater thickness, bent profiles;
• high quality of welds, which is achieved using Finnish equipment and Swedish consumables, as well as ultrasonic inspection of the seam;
• use of wear-resistant Swedish steel grades Weldox 500 and Hardox 400 for the production of the main working tool - the bucket.