Because the differential is at the rear and under the car, it gets none of the gears that transfer power from the driveshaft to the wheel axles. Differential/Rear Axle. MOUNTING PAIR, rear, "SuperPro" polyurethane. TR, TR6 BEARING, differential carrier, aftermarket. A differential is a gear train with three shafts that has the property that the rotational speed of On rear wheel drive vehicles the differential may connect to half-shafts inside an axle Aveling and Porter of Rochester, Kent list a crane locomotive in their catalogue fitted with their patent differential gear on the rear axle.‎Overview · ‎Epicyclic differential · ‎Spur-gear differential · ‎Loss of traction.


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Also note that the front wheels travel a different distance than the rear wheels. This content is rear axle differential compatible on this device. For the non-driven wheels on your car -- the front wheels on a rear-wheel drive car, the back wheels on a front-wheel drive car -- this is not an issue.

There is no connection between them, so they spin independently.

Rear Differential Repair

But the driven wheels are linked together so that a single engine and transmission can turn both wheels. If your car did not have a rear axle differential, the wheels would have to be locked together, forced to spin at the same speed.

This would make turning difficult and hard on your car: For the car to be able to turn, one tire would have to slip. With modern tires and concrete roads, a great deal of force is required to make a tire slip. That force would have to be transmitted through the axle from one rear axle differential to another, putting a heavy strain on the axle components.

It is widely thought that a differential mechanism responded to any difference between the speeds of rotation of the two wheels of the chariot, and turned the pointer appropriately. However, the mechanism was not precise enough, and, after a few miles of travel, the dial could have very well been pointing in the complete opposite direction.

Rear Differential Gone Bad, What's next?

The earliest definitely verified use of a differential was rear axle differential a clock made by Joseph Williamson in It employed a differential to rear axle differential the equation of time to local mean timeas determined by the clock mechanism, to produce solar timewhich would have been the same as the reading of a sundial.

During the 18th Century, sundials were considered to show the "correct" time, so an ordinary clock would frequently have to be readjusted, even if it worked perfectly, because of seasonal variations in the equation of time.


Williamson's and other equation clocks showed sundial time without needing readjustment. Nowadays, we consider rear axle differential to be "correct" and sundials usually incorrect, so many sundials carry instructions about how to use their readings to obtain clock time.

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In the first half of the twentieth century, mechanical analog computerscalled differential analyzerswere constructed that used differential gear rear axle differential to perform addition and subtraction.

A differential gear train can be used to allow a difference between two input axles. Mills often used such gears to apply torque in the required axis. Differentials are also used in this way in watchmaking to link two separate regulating systems with the aim of averaging out rear axle differential.

Differential (mechanical device)

Greubel Forsey use a differential to link two double tourbillon systems rear axle differential their Quadruple Differential Tourbillon. Application to vehicles[ edit ] Play media "Around the Corner"a Jam Handy film made for Chevrolet explaining how an open differential works A vehicle with two drive wheels has the problem that when it turns a corner the drive wheels must rotate rear axle differential different speeds to maintain traction.


The automotive differential is designed to drive a pair of wheels while allowing them to rotate at different speeds. In vehicles without a differential, such as kartsboth driving wheels are forced to rotate at the same speed, usually on a common axle driven by a simple chain-drive mechanism.

When cornering, rear axle differential inner wheel travels a shorter distance than the outer wheel, so without a differential either the inner wheel rotates too quickly or the outer wheel rotates too slowly, which results in difficult and unpredictable handling, damage to tires and roads, and strain on or possible rear axle differential of the drivetrain.


In rear-wheel drive automobiles the central drive shaft or prop shaft engages the differential through a hypoid gear ring and pinion. The ring gear rear axle differential mounted on the carrier of the planetary chain that forms the differential.

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