D-21
Spare tractor engine model T-16 and T-25
tanks, crankcase, a flywheel mounting bolts, crank shafts. rollers, fans, air purifiers, bushings, mufflers, omentum nests, deflectors, housings, cassettes, valves, housings, manifolds, rings, housings, brackets, plates, slinger, flywheels, oil pumps, straps, oil pan gaskets, grids, racks , tappets, tubes, pipes, filters, flanges, ratchets, centrifuges, washers, gears, pulleys, rods, probes...