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

Rockwell American 3,500 lb Idler Trailer Axle Kit – Single Axle Running GearBuild or repair a trailer with this Rockwell American 3,500 lb idler trailer axle kit, a Dexter brand designed for smooth and dependable towing performance. This running gear kit includes a 3,500 lb idler trailer axle with double eye leaf springs, and U-bolt kit for many utility trailer, cargo trailer, and landscape trailer builds.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 Trailer Axle Capacity – Designed for single axle trailers handling light duty loadsRunning Gear Components – Includes idler axle, double eye leaf springs, and U-bolt kit for trailer suspension installationCompatible With Standard Hanger Kits – Designed for use with common single axle hanger kits for trailer frame builds and axle replacementLow Maintenance Axle Design – Powder coated axle resists corrosion while Posi-Lube spindles allow through-spindle bearing lubrication for simplified servicingIncluded Components:(1) 3,500 lb idler 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 Smooth Towing – The 3,500 lb idler trailer axle provides stable and dependable towing performance for light duty trailers where electric brakes are not required.
• Single Axle Running Gear Kit – Includes (1) 3,500 lb idler 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.