2025 Peterbilt 536, PACCAR, PX-7, 300HP, PACCAR 8 Speed Transmission, Day Cab, , , Stock # 1794177 The Peterbilt Model 536 was designed to exceed the demands of your application. This truck features the powerful PACCAR PX-7 engine with 300 horsepower, Paccar TX-8 Transmission, Peterbilt Low Air Leaf Suspension. Don t hesitate to call or come by Rush Truck Center - Tolleson 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.