A dual rear-wheel truck (DRW) – often referred to as a dually – is a heavy-duty pickup truck with two rear wheels on each side, allowing more road contact and width for greater stability, balance, and ...

The biggest advantage of a dually truck can be seen in gooseneck/fifth-wheel towing: a Silverado 3500HD Dual Rear Wheel can tow a whopping 14,000 pounds more than a Silverado 3500HD single rear wheel.