Center swivel joints, rotary gear assembly, the assembly of the rotary motor, rotary gear box assembly, the rotary motor shaft, rotary pumps, lamps, plunger, friction plate, motor housing, planetary gear, ring gear, planet carrier bearings vertical shaft, bearings, slewing ring; walk drive wheels, walking reducer assembly, walking motor assembly, shaft, swash plate assembly, drive planetary gear, floating seals, cab assembly, the door assembly, wind glass, seat assembly, control valve, air-conditioning components, air conditioner compressor, air conditioning, piping, weight, engine cover, the computer board, the whole car harness, angle sensor, speed sensors, pressure sensors, starter motors, generator, main control valve assembly, solenoid valve, solenoid valve assembly, pressure sensors, speed sensors, flame failure solenoid valve, relief valve, the arm, plus the long arm of boom cylinder, arm cylinder, bucket cylinders, cylinder, piston rod, piston, cylinder end caps, tensioning the fuel tank, a large nut, seals, cylinder repair kits, distributor repair kit, oil separator repair kit, rotary motor repair kits walking motor repair kits, hydraulic pump repair kits