Designed for 3/4- and 1-ton trucks, LoadLifter 7500 XL offers up to 7, 500 lbs. of load-leveling capacity* and is designed to support the largest loads on the road. The available volume in the massive 7 diameter double-bellows air springs (vs. 6 diameter on LoadLifter 5000) allows for greater leveling abilities at lower air pressures. This ensures the maximum load support with a more comfortable ride, no matter the load. All kits are compatible with most 5th wheel and gooseneck hitches. Mfr. lifetime warranty. Never exceed manufacturers recommended Gross Vehicle Weight Rating. Note: Fits single rear wheel (SRW) and dual rear wheel (DRW) models. Compatible with most side-mount fifth wheel hitch applications. Does not fit cab & chassis applications. Fits factory in-bed hitch system. Fits many 3/4 ton & 1 ton pickups & vans Easy to install with illustrated installation manual Internal jounce bumper absorbs shock & can be safely ran with zero psi | Air Lift LoadLifter 7500XL Air Suspension System, 2011-2016 Ford F250 / F350 Super Duty 4WD