Tandem, 36 Unibilt Flat Top Sleeper, ISX12 Cummins 425 HP, 8LL, 3 Stage Engine Brake, Air Trac, 13,200# FA, 40,000# RA, 224 WB, 20"10 Bridge, DEF, P/S, A/C, AM/FM CD, Tilt/Tele Wheel, Dual High Back Seats, Power Mirrors and Passenger Window, Peep Window, Heated Mirrors, Cruise, Diff Lock, 100 Gallon Aluminum Fuel Tank, 11R22.5 Tires on Steel Wheels, Stainless Sun Visor