6.7L or larger V8 Turbo Diesel B20 Engine with Manual Push-button Engine-Exhaust Braking GVRW range of 17,500 to 19,500 lbs. Operator Commanded Regeneration 4x4 Ten-Speed Automatic with Selectable Drive Modes 4.30 Limited Slip Axle Trailer Tow Package - High Capacity Payload Plus Upgrade Package Snowplow Prep Package Trailer Tow Mirrors – Manually Telescoping/Folding with Power/Heated Glass, Heated Convex Spotter Mirror, Integrated Clearance Lamps/Turn Signals Platform Running Boards Engine Block Heater Transmission Power Take-Off Provision Skid Plates - Transfer Case Exterior Backup Alarm Dual Battery Daytime Running Lamps Spare Tire, Wheel and Jack HD Vinyl 40/20/40 Split Bench Upfitter Switches Carpet Delete Aft-Axle Frame Extension if needed for body