The Peterbilt 378 model is an example of the classic US Trucks style. Inside the 378 cabin there are high-back seats and an ergonomically designed dashboard. The 378 can be ordered in a variety of configurations, from road tractor to heavy-duty tug. Our 378 model is equipped with a 420HP Detroit Diesel engine. The tilted fiberglass hood can be tilted 90 degrees to give full access to the engine. Our model is equipped with a double tailpipe, double chrome air filter, deep-molded bumper and Peterbilt-style wheels.