... 4. wheel drive gearbox PRODUCT STRUCTUREThe IGY***L series wheel drive gearbox consist of planetary gearbox, hydraulic motor, wet type brake ... various valve blocks of single counterbalance valve and shuttle valve, drum, frame and hydraulic control clutch. This series could get two ... piston motor, the working pressure and drive power of the series could be greatly improved.MAIN FEATUREScan be used in ...