For Komatsu Excavator PC40 Yanmar Engine 4D84 Starter MotorApplication:Model:Komatsu Excavator PC40Emgine:Yanmar Engine 4D84Specification:Voltage: 12 VoltsPower: 2 kWTeeth/Splines: 15 Teeth/SplinesPinion/Splines OD: 43.7mm / 1.720in