Rockwell American 3,500 lb Idler Trailer Axle Kit – Full Suspension Running Gear Kit – 5 on 4.5 Bolt Pattern – 73” Hub Face / 58” Spring Center – Includes ST205/75R15 Tires & Wheels

Rockwell American 3,500 lb Idler Trailer Axle Kit – Full Suspension Running GearBuild or upgrade a single axle trailer with this complete Rockwell American 3,500 lb idler trailer axle kit. Designed for smooth, stable towing, this full suspension running gear kit includes an idler axle, leaf springs, U-bolt kit, hanger kit, and mounted wheels and tires for a complete trailer setup.This kit is commonly used for utility trailers, cargo trailers, boat trailers, and landscape trailers where reliable performance and durability are required.Fitment specs: 73” hub face, 58” spring center, 5 on 4.5 bolt pattern. Fits most 60” wide trailer frames.Key Features:3,500 lb Idler Axle – Provides dependable, smooth towing performance for light-duty single axle trailersComplete Suspension and Running Gear Kit with Wheels and Tires – Includes idler axle, double eye leaf springs, U-bolt kit, single axle hanger kit, and ST205/75R15 radial trailer tires mounted on 5 lug wheels.Durable 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 servicing and extended service lifeIncluded Components:(1) Rockwell American 3,500 lb idler trailer axle(2) Double eye leaf springs(1) U-bolt kit(1) Single axle hanger kit(2) ST205/75R15 radial trailer tires mounted on 5 lug wheels(1) 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 60” Wide Trailer Frames – Designed for trailers with an 73” hub face and 58” spring center, featuring a 5 on 4.5 bolt pattern. Ideal for single axle utility, cargo, boat, and landscape trailers rated for 3,500 lb capacity.
• Complete Single Axle Running Gear Kit – Includes (1) 3,500 lb idler axle, (2) double eye leaf springs, (1) U-bolt kit, (1) single axle hanger kit, and (2) ST205/75R15 radial trailer tires mounted on 5-lug wheels for a complete suspension and rolling setup.
• Reliable, Smooth Towing – The 3,500 lb idler trailer axle delivers stable, consistent performance for light-duty trailers where electric brakes are not required.
• Low Maintenance Axle Design – Durable powder coated axle 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.