Ideally, you'll want chunky off-road tires, a solid four-wheel-drive system, and also diff locks front and rear, like in a ladder-frame Lexus LX. The latter setup will allow both wheels on a given ...

Mack Trucks announced plans to offer a 23,000-lb. rear axle and a Cummins B6.7 engine rated at up to 325 HP on its Mack MD ...