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Trailquest.com restoration, replacement, and Off-Road Jeep Parts
Trailquest Jeep® Parts
7888 Memorial Drive
Plain City, OH 43064
Local Calls 614-873-8337

Restoration, Replacement, & Off-Road
Jeep Parts


TO ORDER CALL TOLL FREE 1-800-770-2617

Lockers 101Lockers 101
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LOCKERS 101

Yukon Grizzly lockers
Yukon Grizzly Lockers (CALL FOR PRICING & APPLICATIONS)

LockRight Logo
Detroit Lockers
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Detroit Truetrac Locker
ARB Logo

The Differential - the Key to 4WD

The primary function of a differential is to transfer power to the wheels while allowing them to turn independently at different (hence the name) speeds. What this means is that when going straight equal traction is supplied to all wheels, yet while the vehicle is turning, the inside wheel, which has the most resistance and a shorter distance to travel when taking a turn, is able to go at a slower rate than the outside wheel which has the least resistance, a longer travel radius, and must turn faster.

Lockers 101In mathematical terms, speed is equal to the distance traveled divided by the time it takes to go that distance, so consequently the wheels that travel a shorter distance travel at a lower speed. You may also want to take a look at How Stuff Works for a more in depth explanation and demonstration of Differentials.

To make a long story short, and to keep this section simple, the most common differential is called an Open Differential and is the standard setup used for most Jeeps. While this set up works just fine for normal on-road driving, you can probably see that for off-roading this isn't the ideal set up when you consider that going through mud and goo is part of the fun and what off-roading is all about.

LIMITED-SLIP DIFFERENTIAL

Limited Slip Differentials, also called positraction, while not true lockers, are an option for light duty off-roading and the casual weekend warrior. They use various mechanisms to allow normal differential action when going around turns, yet when a wheel slips they allow more torque to be transferred to the slower moving wheel.

For light duty, casual off-roading we suggest you weight the advantages and disadvantages of the Lockers listed below and make a decision based on your individual preference. If you have any questions, call us and we'll help you select the Locker right for your vehicle.

LOCKING DIFFERENTIAL

Locking Differentials, generally simply called Lockers, are for serious off-roading and challenging trails. They are automatic lockers providing 100% traction, 100% of the time on both driving axles.

A typical full time locker is the Detroit Locker®, now updated to the SofLocker and also known as the NoSPIN®

AIR-LOCKERS

ARB air lockers If you're willing to lay out some big bucks for a locker, the ARB® Air Locker can't be beat. Because of the ARB's ability to engage and disengage at the press of a button it's one of the most popular heavy-duty lockers on the market.
Call for pricing. 1-800-770-2617

Locker related links Want to learn more? Stu Olson compares ARB vs. Detroit lockers .. visit his site ..
The Great Locker Debate The Great Locker Debate

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While we make every effort to update our site as soon as new product information and changes are available from our manufacturers, please note that prices may change without notice. Call 1(800)770-2617 for current pricing, technical assistance, and to place your order. We appreciate your business and thank you for choosing trailquest.com!

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