In the case of this 1989 Ford F-350 XL that is currently for sale on Hemmings.com, someone looked at an aged four-door dually that had ... on an American pickup truck, some aerodynamic smoothing ...

The extra set of rear wheels on dually pickups allow them to haul heavy loads. These are the best dually trucks for sale ...

just like a heavy-duty pickup truck, which is usually lifted for show and business purposes. It also has additional HD traits because we are dealing here with a dually Tesla Cybertruck.