Body assembly, Body, Gasket, Sight glass, Cover plate, Bolt, Gasket, Cover plate, Cover, Spring, Pressure plate, Filter screen, Nut, Bolt, Oil temperature gauge sleeve, Crankshaft assembly, Bolt, Connecting ring, Rolling bearing, Shim, Balance weight, Crankshaft, Key, Bearing housing, Oil seal, Oil seal cover, Flywheel, Washer, Bolt, Gasket, Plug, Washer, Nut, Connecting rod assembly, Connecting rod bolt, Copper bushing, Connecting rod, Bearing shell, Connecting rod nut, Cotter pin, Crosshead assembly, Crosshead, Crosshead pin, Retaining ring, Cover plate, Packing assembly, Gasket, O-ring seal, Stud, Washer, Nut, Partition plate, Sealing ring, Ring, Spring, Ring, Gland, Washer, Nut, Bolt, Stuffing box housing, Coupling assembly, Cotter pin, Nut, Washer, Elastic ring, Bolt, Coupling disc, Pin, Cylinder assembly, Nut, Stud, Double-ended stud, Secondary valve cover, O-ring seal, Eye bolt, Nut, Primary valve cover, O-ring seal, Sleeve, Gasket, Cylinder head, Primary cylinder liner, Cylinder block, Cylinder base, Primary valve cover, Cap nut, Secondary valve cover, Secondary cylinder liner, Primary piston assembly, Washer, Nut, Oil scraper ring, Piston rod, Cover plate, Piston ring, Elastic ring, Support ring, Primary piston, Primary suction valve assembly, Valve plate, Spring, Aluminum gasket, Primary exhaust valve assembly, Valve plate, Spring, Aluminum gasket, Secondary suction valve, Valve plate, Spring, Aluminum gasket, Secondary exhaust valve, Valve plate, Spring, Aluminum gasket, Oil scraper ring assembly, Spacer ring, Partition plate, Compression ring, Sealing ring, Secondary piston rod assembly, Piston rod, Piston ring, Elastic ring, Support ring, Secondary piston, Intermediate plate, Unloader valve assembly, Oil pump assembly, Oil filter assembly, Air filter, Muffler, Cooler assembly, Primary high-efficiency cooler, Cooler core, Secondary high-efficiency cooler, Cooler core, Safety valve assembly, Pressure regulating valve assembly