This type of bogie is mainly used for low-speed, heavy-duty metallurgical and special vehicles. It mainly consists of components such as a bolster, side frame, wheelset, and axle box.

This bogie is a three piece cast steel bogie, with two rigid side bearings installed on both sides of the rocker. The wheels are made of integral rolled steel; Adopting cylindrical roller bearings, the spring adopts two-stage spring stiffness.

This bogie has a simple structure, reliable strength, and convenient operation and maintenance.