Trailer Parts Kit – Tandem 3,500 lb Electric Brake & Idler Axle – 5 on 4.5 Bolt Pattern – Trailer Build Kit – 73” Hub Face / 58” Spring Center – 7,000 lb Capacity

Rockwell American Tandem Axle Trailer Parts Kit – 3,500 lb Electric Brake & Idler Axle – 7,000 lb CapacityBuild or repair a tandem axle trailer with this complete Rockwell American trailer parts kit. Rated for 3,500 lb per axle (7,000 lb tandem capacity), this trailer build kit includes electric brake and idler trailer axles, suspension components, trailer hardware, tecniq led lighting, wiring, and wheels and tires required for many tandem trailer builds.Commonly used for tandem utility trailers, cargo trailers, landscape trailers, ATV trailers, and equipment trailers.Fitment specs: 73” hub face, 58” spring center, 5 on 4.5 bolt pattern — fits most 60” wide trailer frames.Included Components:(1) 3,500 lb electric brake axle – 73” HF / 58” SC(1) 3,500 lb idler axle – 73” HF / 58” SC(4) Double eye leaf springs – 1.75” wide, 1,750 lb capacity each(2) U-bolt kits for 2-3/8” axle tubes(1) Tandem hanger kit(2) Tandem trailer fenders with fender backs(1) A-frame coupler for 2” ball – 8,000 lb rating(1) A-frame trailer jack with foot and pin(2) Safety chains with hooks and anchors(1) TecNiq LED trailer light kit with stop turn tail lights, side markers, and clearance lights(1) Trailer wiring kit with 7 way junction box with plug, 4 flat wiring harness, brake wire, and breakaway kit(4) ST205/75R15 radial trailer tires mounted on 5 lug 15" wheels(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 60” Wide Trailer Frames – Designed for trailers with a 73” hub face and 58” spring center, featuring a 5 on 4.5” bolt pattern. Ideal for tandem utility trailers, cargo trailers, boat trailers, and landscape trailers using 3,500 lb trailer axles and a 7,000 lb tandem axle capacity.
• Complete Tandem Trailer Parts Build Kit – Includes electric brake and idler trailer axles, suspension components, coupler, jack, fenders, safety chains, LED lights, wiring kit, and mounted wheels and tires. Provides the major components required for many tandem trailer builds or trailer rebuild projects.
• Reliable Braking and Smooth Towing – 10” × 2-1/4” electric brakes on the 3,500 lb brake axle provide dependable stopping power, while 5 on 4.5” hub assemblies ensure compatibility with common trailer wheels and tire setups.
• Low Maintenance Axle Design – Durable powder coated trailer axles resist rust and corrosion, while Posi Lube spindles with grease zerk fittings allow through spindle bearing lubrication for simplified maintenance and extended service life.
• Genuine 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.