Rockwell American 3,500 lb Electric Brake Trailer Axle Kit – Suspension Running Gear Kit – 85” Hub Face / 70” Spring Center – 5 on 4.5 Bolt Pattern

Rockwell American 3,500 lb Electric Brake Trailer Axle Kit – Single Axle Running GearBuild or repair a trailer with this Rockwell American 3,500 lb electric brake trailer axle kit. Designed for dependable towing performance, this running gear kit includes a 3,500 lb electric brake axle, double eye leaf springs, and U-bolt kit for many single axle trailer builds.This trailer axle kit is commonly used for utility trailers, cargo trailers, boat trailers, and landscape trailers where reliable braking and stable towing are required.Fitment Specs: 85” hub face, 70” spring center, 5 on 4.5 bolt pattern — fits most 72” wide trailer frames.Key Features:3,500 lb Electric Brake Axle – Equipped with 10” × 2-1/4” electric brake assemblies for dependable stopping powerComplete Running Gear Components – Includes electric brake axle, double eye leaf springs, and U-bolt kit for trailer suspension installationDurable Corrosion Resistant Construction – Powder coated axle helps protect against rust and wear in demanding environmentsLow Maintenance Design – Posi-Lube spindles with grease zerk fittings allow through-spindle bearing lubrication for simplified servicingIncluded Components:(1) Rockwell American 3,500 lb electric brake trailer axle – 85” hub face / 70” spring center(2) Double eye leaf springs(1) U-bolt kit(1) 32 oz Johnson Trailer Parts MugRockwell 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.

• Fits 72” Wide Trailer Frames – Designed for trailers with a 85” hub face and 70” spring center featuring a 5 on 4.5 bolt pattern. Ideal for single axle utility trailers, cargo trailers, boat trailers, and landscape trailers rated for 3,500 lb capacity.
• Reliable Braking and Smooth Towing – The 3,500 lb electric brake trailer axle features 10” × 2-1/4” brake assemblies that provide dependable stopping power and stable towing performance for light to medium duty trailers.
• Single Axle Running Gear Kit – Includes (1) 3,500 lb electric brake axle, (2) double eye leaf springs, (1) U-bolt kit, and a 32 oz Johnson Trailer Parts Mug for a simple and reliable trailer suspension setup.
• Low Maintenance Axle Design – Durable powder coated finish resists rust and corrosion while Posi Lube spindles allow through spindle bearing lubrication for simplified servicing and extended service life.
• Rockwell American Trailer Axles – a Dexter brand trusted by trailer builders nationwide – delivers dependable performance and compatibility with most trailer setups. Supported by expert product knowledge and carefully curated components from the team at Johnson Trailer Parts.