It comes with an air compressor and air pump to increase air flow

PC400LC-7 S/N 50001-UP (Extreme Cold Terrain Spec

09100-7053

S-65 (from serial number S6016N-31261 to S6016N-35000)-->500 Engine Components

Engine SA6D102E Overhaul Rebuild Kit Fits for Komatsu PC220-7 Excavator Con rod bearing size:+0.25mm It comes with an airEngine SA6D102E 1 A Overhaul Rebuild Kit Fits for Komatsu PC220 7 Excavator Application: Fits Komatsu SA6D102E 1 A Engine Fits Komatsu PC220 7 Excavator Content: 1 Set of Overhaul Gasket Kit 6 Cylinder Liners 6 Pistons STD 6 Piston Pins 12 Snap Rings 6 Rod Bushings Set Rings For 6 Pistons STD 1 Set of Main Bearings 1 Set of Rod Bearings 1 Set of Thrust Bearing 6 Intake Valves 6 Exhaust Valves 12 Valve Guides 6 Intake Valves Seats 6 Exhaust Valves