Cat 3406 6 Cylinder Diesel 425 hp Engine, Engine Brake, Eaton Fuller RTO14708LL 8LL Manual Transmission, Differential Lock, 12860 lb Front Axle, 44000 lb Rears, 5.38:1 Axle Ratio, 56860 lb GVWR, 11R24.5, Hendrickson RT/RTE Series Spring over Walking Beam Suspension, 206 in Wheelbase, PTO, Wet Kit, Dual Fuel Tanks