Cummins ISX12 (425 HP), Engine Brake, Eaton Fuller FRO-16210C 10-Speed Manual Transmission, Meritor RT-40 145A 40,000# Dual Drive Rear Axles (3.73 Ratio), Air Liner Suspension w/ Dash Deflate Switch, DA-F-13.3-3 13,000# Steer Axle w/ Power Steering, 445/50R22.5 Super Single Drive Tires, 275/80R22.5 Steer Tires, All Aluminum Wheels, Disc Brakes, 205" W/B, L/H Aluminum Battery Box w/ Steps under Driver Side Door, L/H Frame Mounted DEF Tank, L/H Aluminum Frame Mounted Fuel Tank, R/H Hood Mounted Spot Mirror, R/H Aluminum Frame Mounted Fuel Tank, Chrome Air Horns, Factory Air Ride Day Cab, Pintle Hitch w/ Glad Hands & 7-Way Plug, Air Ride Seat, Tilt & Tele Steering Column, Power Door Locks, Power Windows, Power Mirrors, Heated Mirrors, A/C, Cruise Control, AM/FM Radio w/ CD Player....