... Roller, Sprocket, Front Idler, Idler Cushion2) Engine spare parts: Cylinder Head, Cylinder Block, Turbocharger, Piston, Piston Ring, Metal, Crankshaft, Oil ... Main Valve, Main Pump, Solenoid Valve, Boom/Arm/Bucket Cylinder, Final Drive, Travel Motor, Swing Machinery, Swing Motor4) ... Operator’s Cab spare parts: Cab Ass’y, Monitor, Controller, ...