In the more than 20 years of development of agricultural transport vehicles, it has gone through the initial stage, that is, 1979-1986; the high-speed development stage, that is, 1987-1995; the relatively stable development stage, that is after 1996. In the rapid development stage, agricultural transport vehicles are developing at an average annual growth rate of 51.4% in production and sales. The maximum annual output of agricultural transport vehicles is more than 3.2 million.

Agricultural crawler trucks can be divided into the following main types according to the engine:

① Semi-enclosed three-wheeled agricultural crawler transport vehicle: The cab is semi-enclosed, and the semi-front wall in front of the driver is the main one. The design of this type of cab is mainly wind-proof, without a roof and no doors, 1~2 Seats, most of the transmission types are belts and combined rear axles, and most of the engines are single-cylinder diesel engines. This type of vehicle mainly considers the price factor.

②Simple shed three-wheeled agricultural crawler transporter: The cab is a simple shed without doors, with 1 to 2 seats, most of the transmission type is belt and combined rear axle, and the engine is mostly single-cylinder diesel. The price of this type of vehicle is higher than that of a semi-enclosed three-wheeled agricultural crawler truck.

③Fully enclosed three-wheel agricultural crawler transporter: The cab is fully enclosed, 2 doors, 1~2 seats. Compared with similar products, it is comfortable and beautiful. The transmission type is mainly belt and combined rear axle. Some Drive shaft transmission is adopted, and most of the engines are single-cylinder diesel engines, and some of them are multi-cylinder engines. The price is higher than the first two categories.

④Long-head four-wheel agricultural crawler transporter: The cab is long-headed, with 2 doors or 4 doors, 2~5 seats, and the engine is a multi-cylinder engine. There are two types of cargo compartments, self-unloading and non-self-unloading, and transmission The type is shaft drive type.

⑤Flat-head four-wheel agricultural crawler transport vehicle: The cab is flat-headed, with 2 doors or 4 doors, 2~5 seats, the engine has a single-cylinder engine and a multi-cylinder engine, and the cargo compartment has two types of dump and non-dump. Transmission types include belts, combined rear axles and drive shafts.