a complete mechanical drive system, for example that which transmits power from an engine to the rotor system of a helicopter
wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed; "the fool got his tie caught in the geartrain"
Complete system required to rotate the driving wheels, including the engine, clutch/torque converter, transmission and drive shaft.
Engine, clutch, gearbox, axel, driveshafts, wheels.
Motor, transmission, and drive assembly, on front-wheel drive vehicles especially.
Means of transferring power from an engine to a pump; includes all power-transmitting components.