T-800 is a bulldozer developed by the Chelyabinsk Tractor Plant. It was listed in the Guinness Book of Records as the largest and most productive tracked tractor in the world. The unit is the pride of Ural machine builders, one of the most significant brands in the region.
Appointment
The T-800 (T-75.01) super-heavy caterpillar tractor is designed to open large volumes of soil during the construction of railways and highways, to clear large areas during the construction of large industrial facilities, in reclamation construction.
Another area of application is energy-intensive plowing work in open mines in the extraction of building materials and mining. The giant is indispensable in the development of rock and very heavy frozen soils.
History of creation
In the late 70s, the Chelyabinsk Tractor Plant, as a leader in the development of special equipment in the region, received an order for the manufacture of an unprecedented machine. It was a challenge to engineering, because no one in the world had assembled such a powerful tracked vehicle. When creating a heavyweight, the designers were faced with the task of designing such a strong man who could develop durable soils where the use of explosives is impractical. The T-800 bulldozer was conceived as a dual-purpose object: if necessary, it could be used in clearing rubble, operational construction of strategic facilities.
Labor baptism
In 1983, the Chelyabinsk Tractor Plant manufactured the first machine. And immediately the superheavy tractor was "thrown into battle." At that time, the South Ural NPP was being built, and builders faced a non-trivial problem of sampling soils in which rock was prevailing. An American tractor-bulldozer Intern working at a construction site could not cope with the task - its capacities were clearly not enough.
The region’s leadership, despite the newness of the novelty, instructed to send the T-800 model to the strategic object. The bulldozer faced a harsh reality - its mechanisms experienced the maximum possible load. According to eyewitnesses, it was scary to just be around. A heavyweight tractor rested a ripper on a rock and rammed it with incredible force. Pieces of rock with sparks and roar scattered to the sides. T-800 was very impressed with experienced builders, and the developers themselves. The fame of the steel giant scattered throughout the Union.
To help steelworkers
T 800 - a bulldozer, which has become desirable at any large construction site. The next test was the reconstruction of the legendary Magnitogorsk (Magnitogorsk Iron and Steel Works). Simultaneously with the T-800, a Japanese bulldozer worked at the facilities. However, the volume of work performed was not comparable. The Chelyabinsk strongman for the shift carried out the task, which the representative of the Land of the Rising Sun could master in only two weeks.
Operation Delivery
The leadership of a diamond mining company in Yakutia learned about the miracle machine. Previously, they had to blow up the developed area, because of which microcracks appeared on the precious stones, reducing the cost and valuable qualities of gems. The operation of the T-800 bulldozer allowed to abandon (at least partially) the use of explosives.
Chelyabinsk residents were not opposed to sending the hero to help, but the question arose of transporting a 70-ton giant, plus 30 tons of mounted equipment weighed. There was no railway in those places, and such a heavy object could not be transported along the highway. It was decided to deliver the T-800 with a powerful Antei aircraft, but the platform could not stand it during loading. The powerful record-breaking tractor had to be transported by the Mriya, the most load-lifting superliner in the world.
Prospects
The Chelyabinsk plant assembled 10 units of phenomenally powerful tracked tractors T-800. They were issued for special projects on special order. In modern market realities, there was no place for a unique technique in Russia. However, they know about a unique car abroad. Some mining companies are interested in the T-800. A bulldozer, the price of which in each case is negotiated separately, may appear in the mines of Asia and Africa. Negotiations are ongoing with customers from Tajikistan, South Africa, and India.
Bulldozer T-800: technical specifications
According to the characteristics of the T-800 is still ahead of most similar models in the world. And this despite the fact that it was developed in the early 80s. The giant's traction force is 75 tons, but if necessary it can reach 140 tons. T-800 - a bulldozer, the engine power of which is comparable to the tank - 820 liters. from. The tractor itself with a complex of bulldozer-ripping equipment weighs an impressive 106 tons, and this is more than double the weight of the T-90 tank. Caterpillars alone weigh 8 tons for clay soil (wider) and 6 tons for rocky soil (standard).
Main characteristics:
- Weight (without equipment) - up to 76.5 t.
- Full weight (with hinged kit) - 106 t.
- Height - 4.77 m.
- The width of the tractor is 4.18 m, with equipment - 6 m.
- The length of the tractor is 7.94 m, with equipment - 12.4 m.
- The 6DM-21T engine from BelAZ dump trucks with a capacity of 820 liters. from.
- The capacity of the fuel tanks is 2.5 tons.
- Front speed - 10.6 km / h.
- Rear speed - 14 km / h.
Design
Transmission - hydromechanical. The gearbox (three-shaft planetary type) provides two reverse gears and four forward gears. Each of the transmission elements is located in the so-called oil bath, which significantly reduces the wear of the units. Turns are carried out by two levers. The trucks are equipped with a telescopic pneumatic tension mechanism.
Designers tried to simplify the life of the driver of such a loud car. The double cabin has a good (as far as possible) all-round visibility. Airtight layout prevents dust from entering. An acceptable microclimate is created thanks to the air conditioning system. The special cab design, double glazing and an elastic suspension with rubberized shock absorbing pads dampen vibration and reduces noise.
T-800 (T-75.01) is a vivid example of the amazing technology that domestic engineers are able to create. Its design embodies advanced ideas that are taken into account when developing new technology. The management hopes that the new generation superheavy tractors will become one of the important links in the development of the region.