Cummins QSB4.5 4.5 L 4 Cylinder Upper Engine, Mud Drill, Carousel, A-Outriggers, Rear Outriggers, Hydraulic Hose Reel, Cummins L9 6 Cylinder 9 L Diesel 300 hp Engine, 2018 US EPA Label, Requires Diesel Exhaust Fluid, 1951.4 Engine hrs, Air Conditioner, Cruise Control, Exhaust Brake, Allison 3500 Automatic Transmission, Double Differential Locks, 14000 lb Front Axle, 40000 lb Rears, Meritor MT-40-14X Drive Axles, 5.29:1 Axle Ratio, 54000 lb GVWR, Air Ride Cab, 315/80R22.5 Front Tires, 11R22.5 Rear Tires, Double Frame, Hendrickson RT/RTE Series Spring over Walking Beam Suspension, 198 in Wheelbase