2019 Peterbilt 337 4x2 Cab and Chassis

Paccar PX-9 Diesel Engine, Engine Brake, Allison 3000 Automatic Transmission, 12000 lb Front Axle, 21000 lb Rears, Aluminum Wheels, 11R22.5, Spring Suspension, 240 in Wheelbase, 18 in Cab to End of Frame