Powertrain, complete set of engine. Engine parts: cylinder head, cylinder block, cylinder liner, piston set, oil pump, water pump, fuel injection pump, fuel injector assembly, crankshaft bush, connecting rod bush, eccentric bearing bush, eccentric shaft assembly, valve, seat ring, valve lock Plates, valve caps, crankshaft front and rear oil seal retaining rings, etc. Hydraulic pump assembly, travel motor, swing motor, gearbox, piston shoe. Cylinder, valve plate and joints.