Guide · Terminology
Driveshaft or Propshaft? What the Difference Actually Is
People use driveshaft and propshaft interchangeably, and garages will usually know what you mean either way but they are different components doing different jobs, and knowing which is which helps you describe a problem and order the right part. Here is the distinction, clearly.
A driveshaft (or half-shaft) transmits power from the differential or gearbox out to a driven wheel, using CV (constant velocity) joints at each end so it can turn power while the wheel steers and moves. A propshaft (propeller shaft) is the longer shaft that runs along the length of the vehicle to carry power from the gearbox to a rear (or front) axle, typically using universal joints. In short: driveshafts run sideways to the wheels and use CV joints; the propshaft runs front to back to the axle and uses universal joints. Front wheel drive cars have driveshafts; rear wheel drive and four wheel drive vehicles also have a propshaft.
Driveshaft vs propshaft
People use “driveshaft” and “propshaft” interchangeably, and garages will usually know what you mean either way but they are different components doing different jobs.
| Driveshaft | Propshaft | |
|---|---|---|
| Job | Power to a driven wheel | Power to a rear/front axle |
| Direction | Sideways to the wheel | Along the vehicle |
| Joints | CV (constant velocity) | Universal joints (+ centre bearing) |
| Typical symptom | Clicking on full lock | Vibration or clunk |
| Found on | FWD, and driven wheels | RWD, 4WD, vans, commercials |
The driveshaft (half-shaft)
A driveshaft, often called a half-shaft, is the shaft that takes power from the differential or transaxle out to a driven wheel. Because that wheel steers and moves up and down over bumps, the driveshaft needs joints that transmit power smoothly through changing angles - CV joints. Every front-wheel-drive car has two driveshafts, one to each front wheel; four-wheel-drive vehicles have them at driven rear wheels too. When people talk about a clicking CV joint, they are talking about a driveshaft.
The propshaft (propeller shaft)
A propshaft is the long shaft that runs down the length of the vehicle, carrying power from the gearbox to a rear or front axle. You find it on rear-wheel-drive cars, vans, four-wheel-drives and commercials. Because it spans a long distance and the axle moves relative to the body, it uses universal joints (UJs) and often a centre bearing, and sometimes a sliding section to allow for length change. A propshaft problem often shows as a vibration or a clunk rather than a click.
Which do you have?
If your car is front-wheel-drive, it has driveshafts and no propshaft.
If it is rear-wheel-drive or four-wheel-drive, it has both driveshafts and a propshaft.
Describing the symptom and the drive layout helps identify the part quickly.
Frequently asked
Is a driveshaft the same as a propshaft?
Does a front-wheel-drive car have a propshaft?
What is the difference between a CV joint and a universal joint?
Get your part
Driveshaft Ireland reconditions and exchanges driveshafts and propshafts, VSR-balanced and ready to fit. Send your registration or the part and we will identify the right unit. Reconditioned driveshafts and custom and shortened propshafts are available for the relevant applications.