Cummins ISX15 15 L Ultra Low Sulfur Diesel 500 hp Engine, 2013 US EPA Label, 7802.7 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller 8-Speed Manual Transmission, Differential Lock, 20000 lb Front Axle, 40000 lb Rears, 60000 lb GVWR, Air Ride Cab, Aluminum Wheels, 425/65R22.5 Front Tires, 11R24.5 Rear Tires, Dual Steering Boxes, Double Frame, Air Trac Air Ride Suspension, 247 in Wheelbase, Dual PTO, 40000 lb Capacity, Center Mounted, 15 ft - 35 ft 3 Section Boom, Johnson 182 lb 1 Sheave 12.5 ton Capacity Hook Block, Anti-Two Block, Hydraulic Tool Circuit, Dual Controls, A-Outriggers, Rear Outriggers, Cordless Remote Control, Air Sliding 5th Wheel