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Drivetrain

Driveshaft

A rotating shaft transmitting torque from transmission to differential in RWD and some AWD layouts.

Definition

Driveshaft length and U-joint angles affect vibration and rpm limits.

Carbon or aluminum shafts reduce rotational mass.

Related terms

  • TransmissionThe gearbox selecting gear ratios between engine and drive wheels.
  • ClutchA friction device connecting and disconnecting engine power to the transmission.
  • DifferentialA gearbox allowing drive wheels to rotate at different speeds while turning.
  • Limited-Slip DifferentialA differential that limits speed difference between left and right wheels under
  • Final Drive RatioThe ring-and-pinion ratio multiplying torque before it reaches the wheels.
  • Torque ConverterA fluid coupling in automatic transmissions multiplying torque at low speed.

Category: Drivetrain · Updated August 31, 2026