Ultra Frame Service Body Receiver has a 16,000 lbs. (GTW) Weight Carrying Capacity. Heavy-Duty Design for Full-Size Long Wheel Base Trucks with Full Frames and Heavy Duty Suspensions. For Frames Widths up to 44". Includes 7" Long Side Mounting Brackets. Ideal for Commercial Use Strong, Secure Heavy Duty Side Bracket Design. 2 Piece Design for Universal Fitment. 2" Square Receiver Tube Opening. Accepts All 2" Accessories. A-Coat Base w/ Black Powder Coat Finish . Solid All-Welded Construction for Maximum Strength and Safety. Ensures Perfect Fit and Top Towing Performance. Computer-Aided Design and Fatigue Stress Testing. Designed to Withstand Road Abuse Within Specified Capacities. Backed by a Nationwide Limited Lifetime Warranty.