Chain Arm Parts: Chain Arm Head Core Shaft, Chain Arm Head Bearing, Chain Arm Head Guide Wheel, Chain Arm Head Side Plate, Chain Arm Tightening Screw, Chain Arm Baffle, Chain Arm Wear-resistant Strip Track Parts: Track Tightening Screw, Tightening Screw Pin Shaft, Track Location Pin, Guide Wheel, Track Leveling Screw, Walking Wheel, Walking Gear Lubricating grease system parts: lubricating oil distributor, lubricating oil filter, lubricating oil filter element, hydraulic butter pump, lubricating oil pipe, lubricating oil pressure gauge