A Brief Discussion on Hydraulic Drive Motors for Imported Excavator Accessories

2025-07-24

People who are familiar with excavators know that the movement and operation of excavators are completed by hydraulic pressure. Perhaps some people may ask, why can tanks walk so fast while excavators can only walk gradually, even if they walk on tracks?

This is the difference in the power output system. Tanks are mechanically rigidly connected to move, just like cars, which use a gearbox to switch gear sets to harmonize the relationship between power and speed. Excavators, on the other hand, move through hydraulic drive, which does not necessarily mean that hydraulic drive will be slower than mechanical transmission, but rather is determined by operational requirements. As the saying goes, demand determines production, and excavators do not require high walking speed when moving, but require large driving force. Therefore, excavators use plunger type drive motors, which have the characteristic of outputting low speed and high torque.

Liugong excavator accessories hydraulic drive motors are generally divided into gear type, blade type, plunger type, and other forms. As the excavator uses plunger type, we will not introduce gear type and blade type today. We hope to have the opportunity to discuss them with everyone again in the future.