2025 Peterbilt 536, PACCAR, PX-7, 300HP, PACCAR 8 Speed Transmission, Day Cab, , , Stock # 1778391 Looking for a truck that can handle the toughest jobs? We've got it for you. This Peterbilt Model 536 features the powerful PACCAR PX-7 engine with 220 HP, Paccar 8 speed transmission, 271-inch wheelbase, and 26,000 GVWR. Don't hesitate to call or come by Rush Truck Center Houston and let one of our sales professionals find the right body option to get this truck on the road for you! Financing options are available.