Paccar PX-6 6 Cylinder 6.7 L Diesel 280 hp Engine, 2009 US EPA Label, Air Conditioner, Cruise Control, Engine Brake, Eaton Fuller EH-8E306A-T 6-Speed Automated Transmission, 12000 lb Front Axle, 22700 lb Rears, Dana S23-170 Drive Axles, 5.38:1 Axle Ratio, 33000 lb GVWR, 295/75R22.5, Hendrickson Air Ride Suspension, 153 in Wheelbase

Paccar PX-6 6 Cylinder 6.7 L Diesel 280 hp Engine, 2010 US EPA Label, Requires Diesel Exhaust Fluid, Air Conditioner, Cruise Control, Eaton Fuller Automated Transmission, 12000 lb Front Axle, 22700 lb Rears, 34700 lb GVWR, Aluminum Wheels, 295/75R22.5, Air Ride Suspension, 156 in Wheelbase