Paccar PX-8 6 Cylinder 8.3 L Ultra Low Sulfur Diesel 330 hp Engine, US EPA Label, Requires Diesel Exhaust Fluid, Air Conditioner, Power Windows, Engine Brake, Allison 3000 Automatic Transmission, Differential Lock, 18740 lb Front Axle, 46000 lb Rears, Spicer Drive Axles, 5.57:1 Axle Ratio, 64741 lb GVWR, Air Ride Cab, Aluminum Outer Wheels, 385/65R22.5 Front Tires, 11R22.5 Rear Tires, Dual Steering Boxes, Double Frame, Hendrickson Air Ride Suspension, 226 in Wheelbase, PTO, 2006 Almac 4200 gal Aluminum Tank, 6 Compartments, 2 Reels