The time period describes a car drivetrain configuration the place the engine’s energy is delivered to all 4 wheels. This method contrasts with two-wheel drive automobiles, which solely ship energy to both the entrance two or rear two wheels. A typical instance is a pickup geared up with this technique, permitting it to traverse difficult terrain extra successfully.
The importance of this drivetrain lies in its enhanced traction and management, significantly advantageous in off-road situations, snow, mud, or different slippery surfaces. Traditionally, this functionality has been very important for varied purposes, together with army operations, development, and useful resource exploration. Its adoption has considerably improved car efficiency in demanding environments.