Paccar PX-8 6.7 L 350 hp Engine, Allison 3000 9-Speed Automatic Transmission, 20000 lb Front Axle, 40000 lb Rears, Aluminum Wheels, 425/65R22.5 Front Tires, 11R22.5 Rear Tires, Air Trac Air Ride Suspension, 2000 gal Diesel Tank, ( 3 ) 50 gal Oil Tanks, 50 gal Waste Oil Tank, 50 gal Waste Coolant Tank LOCATED-IN-FORT-WORTH-TX