DT466 6 Cylinder 7.6L Diesel Engine, Air Conditioner, Cruise Control, Allison Automatic Transmission, 12000 lb Front Axle, 20000 lb Rears, 32000 lb GVWR, 11R22.5 Front Tires, 11R22.5 Rear Tires, Air Ride Suspension, 147 in Wheelbase

Cummins 661 cid Diesel 400 hp Engine, US EPA Label, Air Conditioner, Cruise Control, Eaton Fuller 10-Speed Manual Transmission, 18000 lb Front Axle, 40000 lb Rears, 4.63:1 Axle Ratio, 58000 lb GVWR, 315/80R22.5 Front Tires, 11R22.5 Rear Tires, Walking Beam Suspension, 260 in Wheelbase, PTO, Double Frame