Excavator Arm and Boom Kit for Caterpillar, Komatsu, Hitachi, Kobelco, Mitsubishi, Sumitomo,Daewoo, Hyundai, and Samsung. Part no. and models for Excavator Arm and Boom Kit:1) Komatsu: PC40, PC60-5-6-7, PC100, PC120, PC130, PC240, PC200-1-3-5-6, PC220-1-3-5, PC300-3-5, PC400-1-3-52) Hitachi: EX40, EX60, EX150, EX100M, EX100, EX120, EX150, EX200-1-2-3, EX300-1-3-5,EX400, UH08, UH073) Caterpillar: ...