The comprehensive test bench was developed for the hydraulic component used by 5.5-70T excavators and loaders machines of SUNWARD. Hydraulic comprehensive test bench applicable to all kinds of general hydraulic components of the performance test, can satisfy different user's testing requirements. Hydraulic components test bench is divided into five varieties: hydraulic valve test rig, hydraulic pump test bench and hydraulic motor test rig, hydraulic cylinder test rig and comprehensive test bench. This series of test bench has designed various configurations, for example: proportional control system, digital display system, variable frequency speed regulation system and computer measurement and control system etc, the user can select it according to your need.