camshaft, pushrods, piston, pushrod, hydraulic pump, crankcases, rotor, piston rod, exhaust manifold, carburettor, turbocharger, axle, carburetor, supercharger, torsion bar, sprocket, exhaust valve, driveshaft, drivetrain, intake manifold, flange, spindle, muffler, actuator, stator, torque, ignition coil, idler pulley, solenoid, tappet, pintle, cylinder, venturi, torsion, vanes, alternator, gearset, dampers, engine, aileron, bedplate, countershaft, gearbox, inlet manifold, torque converter, magneto, tail rotor, detent, propeller shaft, chassis, rollbar, valving, tailstock, combustion chamber, nosepiece, overhead camshaft, shims, calliper, impeller, handlebar, drawbar, underbody, pawl, intercooler, fastener, powerplant, splines, rotor shaft, steerer, trunnion, workpiece, airfoils, rotary actuator, radiator, windings, injector, coil, radial, swage, sheave, outboard, turbos, propeller, airflow, caliper, pinion, alloy, motors, collet, synchromesh, clevis, chamfer, lubrication, bushing, strakes, cogwheels, shifter, gasket, pto, aerodynamics, coiler, camber, axles, flywheel, crank, pistons, shaft, crankshafts, casting, magnet, aerial, cam, casing, inboard, head, lowspeed, r.p.m., valve, winch, astern, driven, gear, horsepower, inoperative, lever, reversing, rotative, screw

crankcase, fan belt, instroke, outstroke, reciprocating engine

rotating shaft