In 1993, there were 13 large and medium-sized tractor production factories in China, which produced a total of 16 types of tractors, of which: 14 types of wheeled types, 2 types of crawler types, 2 types of skidding types, 3 types of agricultural four-wheel drive types, with a power range of 18.4 ~ 58.9 kilowatts (25 ~ 80 حصانا). The annual output is 47,000 units, of which wheeled tractors account for 64% and crawler tractors account for 36%. Small four-wheel tractors refer to small wheeled tractors with a power of 8.8 ل 11 kilowatts (12 ل 15 حصانا). There are more than 60 production plants and an annual output of 421,000 units. In 1993, China Agricultural Machinery Company systematically sold 38,500 large and medium-sized tractors and 351,000 walking tractors.

(1)Small four-wheel tractor

Small four-wheel tractors have been produced and used in China for more than 20 years. The number of small tractors in 1993 was 3.71 million, accounting for 47% of the total number of small tractors. Because it adapts to the current rural production system, it is helpful for short-distance transportation in rural areas. In recent years, it has developed rapidly. There are 7 basic models and more than 60 models of small four-wheel tractors.

(2) 18.4～29.4 kilowatts (25～40 horsepower) wheeled tractors

ال 18.4 kilowatt (25 hp) wheeled tractor is a variant of the original Dongfanghong-20 wheeled tractor designed by China for the first time in the middle and late 1960s. ال 800 and 900RS/DT series 19.1～29.4 kilowatts (26～40 horsepower) wheeled tractors of Italy Goldoni Company introduced by China First Tractor Construction Machinery Company. In addition, there is also the Changchun-400, a modified product of the original Dongfanghong-28 (20.6 kW) wheeled tractor, which is equipped with the 495A-produced by Shanghai Internal Combustion Engine Plant under the condition that most of the original chassis parts remain unchanged. Type 5 diesel engine, change the front and rear tires, and increase the power to 29.4 kW (40 حصانا).

(3) 36.8～47.8 kilowatts (50～65 horsepower) wheeled tractors

The main production plants and models are: the Shanghai-50 tractor produced by Shanghai Tractor Factory for both flood and drought. The fourth modification is the Shangdi-50N, and there is a Shanghai-504 four-wheel drive variant. Newly developed products include the introduction of Fiat (45-60 حصانا) tractors. Tianjin Tractor Factory also imported 2140 و 3140 tractors (80-100 حصانا) from Deere Company of the United States.