機底, 膝提器 Machine Base, Knee Lifter
　
502587-002
 Knee Lifter Plunger
膝提器柱塞
411173
 Machine Base And Oil Reservoir Cushion
機底油缸墊子
502720
 Knee Lifter Rock Shaft Hub
膝提器擺軸套
502583
 Knee Lifter Knee Plate Arm
膝提器杆
416725
 Knee Lifter Knee Plate Complete
膝提器板
502996
 Knee Lifter Control Shaft Complete
膝提器控制組
502999
 Knee Lifter Rock Shaft Complete
膝提器搖架