Fits 48” Wide Trailer Frames – Designed with a 61” hub face and 46” spring center for common single axle trailer setups. Ideal for utility, cargo, and landscape trailers rated up to 3,500 lbs. Controlled, Reliable Towing Performance – 3,500 lb electric brake axle delivers stable tracking with improved stopping power and smoother braking control for safer hauling on utility, cargo, and landscape trailers. Complete Electric Brake Axle Kit – Includes (1) Rockwell American 3,500 lb axle with pre-installed electric brakes, brake drums, bearings, and lug nuts, along with double eye leaf springs, U-bolt kit, Hanger kit and a Salo Trailer Parts Mug. Low maintenance axle design – Durable powder coated axle resists rust and corrosion while patented Posi-Lube spindles with grease zerk fittings allow through-spindle bearing lubrication for simplified servicing. Rockwell American Trailer Axles – A Dexter brand known for dependable trailer components, trusted by builders nationwide. Professionally curated and supported by Johnson Trailer Parts.

Rockwell American 3,500 lb Electric Brake Trailer Axle Kit

Upgrade or build your trailer with this Rockwell American 3,500 lb electric brake trailer axle kit, designed for smooth towing and improved stopping control. This complete running gear kit includes a pre-assembled axle with drums, bearings, wheel studs, lug nuts, double eye leaf springs, U-bolt kit, and hanger kit - everything needed for installation.

Ideal for utility, cargo, and landscape trailers, as well as small equipment haulers, this kit delivers safer, more controlled braking performance.

Fitment Specs: 61” Hub Face / 46” Spring Center / 5 on 4.5” Bolt Pattern. Fits most trailers with a 48” frame width

Key Features:

• 3,500 lb Capacity with Electric Brakes – Provides dependable towing with improved stopping power and control for single axle trailers.
• Complete Running Gear Kit – Includes axle with pre-installed electric brakes, hubs, bearings, wheel studs, and lug nuts, double eye leaf springs, U-bolt kit, and hanger kit for a full suspension setup.
• Durable Powder-Coated Finish – Corrosion-resistant coating helps protect against rust and extends service life in demanding environments.
• Ready for Wiring and Installation – Electric brake assemblies come pre-mounted for easy integration with standard trailer brake controllers.

What’s Included:

• (1) Rockwell American 3.5k electric brake axle
• (2) Double eye leaf springs
• (1) U-bolt kit
• (1) Hanger kit
• (1) Salo Trailer Parts Mug

Rockwell American trailer axles — a trusted Dexter brand — are built in the USA and engineered for dependable performance across common trailer setups. Supported by expert product knowledge and carefully curated components from the team at Johnson Trailer Parts.