2007 Pete 378 W/B 245" AF 55" Engine ISX 475 hp, RTLO16913A Transmission, 14,7000# front axle, 12,000# Pusher, DSH40 40,000# Rear ends, Pete Low air leaf 40,000# rear suspension, 11R22.5 front tires 100% on alum wheels, 11R22.5 rear tires 100% on alum wheels on the outside and steel on the inside, 255/70R22.5 Pusher tires 100% on alum wheels. All drum brakes 80%.