... YC6J190N-30 YC4G180N-30 YC4FA90N-30 YC4FA100N-30,XINCHAI..HYDRAULIC SYSTEM: MAIN PUMP, PILOT PUMP AND VALVE, WORKING PUMP ... LOCK, LIGHT POWER TRANSFER PARTS: DRIVING SHAFT, UNIVERSAL JOINT... BRAKE SYSTEM: BRAKE PUMP, BOOSTER, AIR-RECEIVER, COMPRESSOR... Genuine spare parts for ... center slewing joint, center slewing joint, stay leg control system, cover plate assy, hydraulic oil case, hydraulic oil ...