U-Bolt Kit

DAT HOIST offers durable Trailer U-Bolt Kits designed to securely fasten trailer axles to compatible leaf spring suspension systems. Available for a range of axle capacities and tube sizes, these kits provide the essential mounting hardware needed for trailer axle installation, replacement, and suspension upgrades.

Choose from U-Bolt Kits for 3,500 lb, 5,200–7,000 lb, and 8,000 lb trailer axles, with options designed for 2-3/8″, 3″, and 3-1/2″ axle tubes. Whether you're building a new trailer or replacing worn suspension hardware, DAT HOIST U-bolt kits provide a reliable fit for compatible utility trailers, dump trailers, equipment trailers, and other towing applications.

Shop Trailer U-Bolt Kits by axle capacity and tube size to find the right hardware for your trailer suspension setup.