Hitches/Classes Class 4 Ultra Frame Up to 12,000 lbs. WC / 1,200 lbs. TW - 14,000 lbs. / 1,400 lbs. WD 2'' square receiver tube opening Designed for full-size long wheelbase trucks, vans and utility vehicles with full frames and heavy-duty suspensions Ideal for marine and commercial use Strong, secure heavy-duty side bracket design All frame attachment J-PinŽ ready 5th Wheel Hitches | Front End | Class 3 and 4 Hitches | Class 2 Hitches | Tow Beast® Class 5 Receiver | Class I: Hitch (Invisi-Hitch) | Class 1 Hitches | Back