Ford F-350 with the 7.3-liter PowerStroke diesel runs perfectly with lower exhaust temperatures on McDonald’s oil.

F-250 Super Duty uses diesel power and a set of massive tires to scoot through the deep, soupy mud.

First generation Super Duty flatbed out-pulls all comers by a big margin as the driver casually cruises.

New Chevy four-cylinder truck engine got worse fuel economy than the high-output EcoBoost V6.

Ford F-350 saves the day while coating the Toyota in a thick layer of mud, adding insult to injury.

Diesel-powered Ford Super Duty is a great mud machine that is strong enough help out the lesser trucks.

Fearless Ford truck is riding on big wheels and low-profile tires, but it still puts in work.