Top Truck Challenge

The Tow Test takes place on a dirt hill with a very steep climb; each competitor's rig is fastened to a cement mixer, and the pull is completed when the forward momentum ceases or the front axle of the mixer crosses the finish line.

Strap in and hold on with the editors of "Four Wheeler" as an elite group of 10 drivers and their 4x4s, selected by "Four Wheeler's" readers, tackle obstacles constructed specifically to stop them in their tracks.

The highly anticipated Tank Trap course.

Ron Adams, Jr. dives into the mud in the Tank Trap.