Hummer military vehicle is a combination of the best advanced technologies. It combines the 4 WD with sophisticated electronics and thus becomes the most advanced and tough 4WDS available.

In addition to the simple 4 wheel drive the Hummer have features that can enhance the off road performance of the vehicle. In the new Hummer technology not only the front and rear axel gets the power from the engine but each wheel gets the power seperately from the engine Thus all the wheels have the needed torque for the vehicle to give it's best performance

This can be easily understood by the following flash presentation [Courtesy : HowStuff Works]