1) Komatsu PC-7 excavator Revolution speed Sensor 2) made in China & good quality 3) P/N 7861 ... switches, for numerous brands of excavators(Komatsu,caterpillar,Hitachi,Kobelco,Sumitomo,Daewoo,Kato). Please browse our website: www.beyond-parts.cn ... drive plate, wiring harness for excavator applicable Komatsu, Hitachi, Kobelco, Sumitomo, Hyundai, Caterpillar, Daewoo, Volvo, Kato etc, and the maintenance ...