The Transfer Case – What it is and What it Does

by | May 7, 2015 | Automotive

Just as taking care of your body increases your chances of enjoying long life, taking care of each part of your car makes it more likely to last longer. One part of the vehicle that many drivers either are not aware of or often overlook is the transfer case. This device is a crucial part of your vehicle’s transmission system, so it is important to have it inspected to ensure it is working properly.

Transfer Case

A transfer case is also known as a transfer box, T-case, jockey box, transfer gear case or transfer gearbox. Transfer cases are located in both four-wheel-drive and all-wheel-drive automobiles. This system connects to your vehicle’s transmission along with both the rear and front axles using the drive shafts. Its purpose is to enable you, the driver, to use various four-wheel and two-wheel capabilities: neutral, high range and low range.

Value of a Transfer Case

Transfer cases are especially valuable when you find your vehicle stuck in the mud. They can also come in handy if your vehicle’s axles become trapped in muck. The device forces your front and rear axles to begin spinning at an equal speed, which gives your car the amount of traction and torque needed to become un-trapped. Transfer cases also give you more control over the vehicle when you are driving in adverse road conditions.

Transfer Case Types

Transfer cases work by splitting power between your car’s rear and front axles. The device may contain either a chain-driven system or gears. The chain-driven system moves one axle or both the rear and front axles at the same time using chain-link chains, pin-link chains, separate roller chains or a single chain. This type of system is used in automobiles such as cars and sport utility vehicles. Meanwhile, in the gear-driven system, gear sets drive your vehicle’s front shaft, or they set your rear and front shafts into motion simultaneously.

Gear-driven systems are often used in big trucks along with passenger cars. A reputable provider of transmission products and services can check to make sure that your transfer case and your entire transmission system is functioning properly.

Trans Works Transmissions LLC offers transmissions with full warranty service. To learn more about its transmission services, visit

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