1、Brief introduction

IYH series hydraulic slewing drives are self-developed with independent intellectual property rights. And they are mainly consist of hydraulic motor, multi-disc hydraulic brake, C type planetary gearbox and distributor. Hydraulic motor can choose different distributor according to the working conditions, such as counterbalance valve、overload valve、shuttle valve、speed control directional valve and other functions valve. This series hydraulic slewing drives featured compact and elegant figure, small size and light weight, and a high efficiency and power, low noise and good operating performance. Therefore, the series hydraulic slewing drives have been widely used in mobile crane, vehicle crane, aerial platform, tracked vehicle and so on. IYH series hydraulic slewing drives have been well sold in China company such as SANY, and also have been exported to the USA, Japan, Australia, Russia, Austria, Netherlands, Indonesia, Korea and other areas in the world.

2. Model Options

3. Options example

IYH22A-1500D120221 represents that the hydraulic slewing drives adopts two levels planetary gearbox, and the modules of the gearbox are 2 and 2 respectively, the design code is A, the rated output torque is 1500N.m, distributor model is D120221.