... AEC 2. Model: Komatsu crankshaft for S6D108 6D108 Crankshaft 6222-31-1110 1. Brand: AEC2. Model: Komatsu crankshaft for S6D108 ... 3. Part No.:6222-31-11104. Material: forging casting iron We are supply following products ... Starting Motor Ass’y, Cylinder Block Ass’y, Crankshaft, Camshaft, Connecting Rod, Valve, Oil Cooler Ass’y, Solenoid, Senor, Pressure Switch, ...