1) Komatsu PC-7 excavator Revolution speed Sensor 2) made in China & good quality 3) P/N ... 4) very good price 1) Komatsu PC-7 excavator Revolution speed Sensor2) made in China & good quality3) P/N 7861- ... controller,excavator monitor,excavator throttle motor,excavator motor drive controller,excavator wiring harness,excavator motor turn button,excavator control console,excavator sensor,excavator keypad ...