Tractors are self-propelled engines used to pull and drive working machinery to complete various mobile operations. How are tractors classified?
(1) Classification by purpose
1. Industrial tractors
It is mainly used in road construction, mining, water conservancy, oil and construction projects, and can also be used in farmland capital construction operations.
2. Forestry tractors
It is mainly used for forest skidding, that is, collecting the harvested wood and transporting it to the forest farm. With special machinery can also be tree planting, afforestation and logging operations. It is generally equipped with winch, carrying plate and obstacle removal device.
3. Agricultural tractors
Agricultural tractors are mainly used in agricultural production.
(2) Classification by walking device
1. Track (also called chain rail) tractor
Crawler tractor walking device is crawler, it is mainly suitable for soil sticky heavy, wet land field operations, farmland water conservancy, earthwork and other farmland capital construction work.
2. Wheeled tractor
The walking device of a wheeled tractor is the wheel. According to the number of different walking wheels or axles, it can be divided into two types of hand-supported and wheeled tractors.
(3) Classification by power size
1. Large tractor: power of 73.6 kilowatts (100 horsepower) or more.
2. Medium-sized tractor: power of 14.7 ~ 73.6 kW (20 ~ 100 HP).
3. Small tractor: power of 14.7 kilowatts (20 horsepower) or less.Wheel Tractor
