The new DH500/1000-L push-pull and rotation adopts closed system, which avoids the drawbacks of high oil temperature in open system and ensures the stable operation of pumps and motors with high rated pressure and large transmission torque. A transfer box is added between the engine and the main pump, which improves the speed and prolongs the service life of the hydraulic pump. Effectively control the equipment failure rate to the lowest, and ensure that the drilling rig always maintains the highest construction efficiency.

The configuration of the new model has been upgraded, with a new shape painting, a new cab, more humanized design, more reasonable.