Build or upgrade your trailer with the Rockwell American 3,500 lb Idler Trailer Axle Kit (a Dexter brand)—designed for smooth, stable towing and long-lasting performance. This complete running gear kit includes a 3,500 lb idler axle, double eye leaf springs, U-bolt kit, and hanger kit—ideal for utility trailers, cargo trailers, and landscape trailers.
Fitment Specs: 85” hub face, 70” spring center, 5 on 4.5” bolt pattern — fits most 72” wide trailer frames.
Key Features & Benefits:
3,500 lb Trailer Axle Capacity - Rated for single axle trailers handling light to medium-duty loads
Complete Running Gear Kit - Includes axle, leaf springs, U-bolts, and hanger kit for quick installs or replacements
Rugged, Corrosion-Resistant Build - Powder-coated axle and premium hardware resist wear and rust in harsh conditions
Made in USA - Built for durability and backed by a 2-year manufacturer warranty

What's Included:
(1) 3,500 lb Idler Axle (with pre-installed hubs, bearings, lugs, and nuts)
(2) 4-leaf Double Eye Springs
(1) U-Bolt Kit
(1) Hanger Kit
(1) 32 oz Johnson Trailer Parts Mug

Trusted by trailer builders and DIYers nationwide, Rockwell American axle kits are built for reliable road performance. Whether you're replacing worn-out parts or starting a new trailer build, this kit provides everything you need for dependable, road-ready towing.
Sold and supported by Johnson Trailer Parts – Your go-to source for expert support, quality parts, and dependable service trusted by trailer builders nationwide.