All of a vehicleâ€(tm)s components that create power and transmit it to the wheels, including the engine, transmission, differentials, and any interconnecting shafts.

the parts of a bike that includes the crankarms, chainrings, bottom bracket, front derailleur, chain, rear derailleur, and freewheel.

All components used to propel a vehicle: the engine, transmission, driveline and driving axle.

Also called the driveline, it includes all power-transmitting components such as the clutch, transaxle/transmission and drive axle.

All of a car's components that create power and transmit it to the wheels; i.e. the engine, the transmission, the differential(s), the hubs, and any interconnecting shafts.

the components directly involved with making the rear wheel turn, i.e. the chain, crankset and cassette. Also called the power train.

All components that generate power and propel a vehicle Read more SEE RELATED TERMS: 4x4

The part of a vehicle that provides power, including the engine, transmission, and transaxle.

The power-transmitting components in a car, including clutch, gearbox (or automatic transmission), driveshaft, universal joints, differential and axle shafts.

All the components, excluding engine, which transmit the engine's power to the rear wheels: clutch, transmission, driveline and drive axle(s). (See Powertrain)

Sometimes known as the powertrain, this is the collective name for all the components that are directly involved in the power production that is needed to get and keep the automobile moving. This includes the engine (obviously) as well as the likes of the clutch, transmission (or gearbox) driveshafts, differential, and wheel axles.

The system that transfers pedaling power to the rear wheel. Includes the cranks, chainrings, bottom bracket, chain, derailleurs, and cassette.

All of the components required to deliver engine power to the road surface.