Tractor Engine

Tractor Engine

 

Internal-combustion engines are used for tractors. Tractors produced in the USSR have four-stroke diesel engines.

The power of a tractor engine depends on the class of the tractor and may range from 14.8 to 368 kilowatts (kW), or 20 to 500 hp, at 800–2,500 rpm. The most common dieseis are four-cylinder and six-cylinder water-cooled engines; air-cooled dieseis with a power of up to 74 kW (100 hp) are also used. Diesels more powerful than 147 kW (200 hp) may have a V-shaped cylinder arrangement, and they may also have turbosupercharging. Diesel tractor engines have low specific fuel consumption (70 kg per joule, or 185 g per hp-hr) and high reliability and durability (more than 500 hr of operation before overhaul).

Outside the USSR, two-stroke dieseis and carburetor-type internal-combustion engines are sometimes used in tractors.

O. M. MALASHKIN

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