The most unique features on this F-550SD are, 4WD, Additionally this F-550SD is equipped with, 4WD, 120V/400W Outlet, 350 Amp Dual Alternators, 4-Wheel Disc Brakes, 4.88 Axle Ratio, 6 Speakers, 6-Ton Hydraulic Jack, ABS brakes, Air Conditioning, AM/FM radio, Brake assist, Bright Grille, Chrome Front Bumper, Compass, Delay-off headlights, Dual 68 AH/65 AGM Battery, Dual front impact airbags, Dual front side impact airbags, Dual rear wheels, Emergency communication system: SYNC 4 911 Assist, Engine Block Heater, Front anti-roll bar, Front Center Armrest w/Storage, Front License Plate Bracket, Front reading lights, Fully automatic headlights, GVWR: 18,000 lbs Payload Package, Halogen Fog Lamps, HD Vinyl 40/20/40 Split Bench Seat, Heated door mirrors, Heavy-Service Front Suspension Package, Illuminated entry, Limited Slip w/4.10 Axle Ratio, Order Code 660A, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger vanity mirror, Platform Running Boards, Power door mirrors, Power steering, Power windows, Rear anti-roll bar, Rear reading lights, Rear View Camera & Prep Kit, Remote keyless entry, Speed control, Split folding rear seat, Steering wheel mounted audio controls, SYNC 4 Communications & Entertainment System, Tachometer, Telescoping steering wheel, Tilt steering wheel, Traction control, Trip computer, Turn signal indicator mirrors, Variably intermittent wipers, Wheels: 19.5'' x 6'' Argent Painted Steel, XL Chrome Package, 4WD. 10-Speed Automatic Power Stroke 6.7L V8 DI 32V OHV Turbodiesel