Cummins X15 (565 HP), Engine Brake, Eaton Fuller RTLO-18918B 18 Speed Manual Transmission, Spicer R46-170DH 46,000# Dual Drive Rear Axles, Double Lockers, Peterbilt Air Trac Suspension w/ Dash Deflate Switch, 22,000# Steer Axle w/ Dual Power Steering, 199" W/B, 11R24.5 Drive Tires, 425/65R22.5 Steer Tires, All Aluminum Wheels, Cam Style Brakes, L/H Aluminum Frame Mounted Fuel/ Hydraulic Tank Under Driver's Door w/ Steps, L/H Aluminum Frame Mounted Tool Box w/ Steps, R/H 80 Gallon Aluminum Frame Mounted Fuel Tank w/ Steps, R/H Frame Mounted DEF Tank, Chrome Bumper, Single Upright Chrome Exhaust w/ DPF, Stainless Steel Visor, Chrome Bumper, Dual Stainless Steel air Cleaners, Twin Chrome Air Horns, Factory Air Ride Day Cab, Aluminum Deck Plate, Stainless Half Fenders, Long Slide 5th Wheel w/ Lowboy Ramps, Pintle Hitch, Peeper Window, Battery Disconnect Switch, Air Ride Seat, Tilt & Tele Steering Column, Gauge Package, Power Door Locks, Power Windows, Power Mirrors, Heated Mirrors, A/C, Cruise Control, Peterbilt Entertainment w/ Navigation, Bluetooth & CD Player.......