Description
The SOUTHWEST WHEEL® USA Made Single Axle Suspension Kit (Part HL3500-KIT-SINGLE-USA) is a complete, ready-to-install suspension package proudly manufactured in the USA. This USA Made 3,500 lbs. Trailer Axle Suspension kit Including Leaf Springs, Shackle & U-Bolt kit is engineered for durability, proper alignment, and long service life on single axle setups.
Key Features
- Part Number: HL3500-KIT-SINGLE-USA
- Brand: SOUTHWEST WHEEL®
- Axle Capacity: 3,500 lbs. (Single Axle)
- Spring Type: Double Eye Leaf Springs
- Kit Contents: TruRyde® / EMCO Leaf Springs, Shackles, U-Bolts & Hardware
- Application: Single Trailer Axle – Fits Dexter Axles
- Origin: Proudly Made in the USA
Kit Includes
- 2x EMCO USA Made 4 Leaf 25 1/4″ Double Eye Springs – 1,750 lbs. each, 1-3/4″ wide, accepts 9/16″ shackle bolt (Nylon bushings included)
- 1x USA Made Single Shackle Kit for Double Eye Springs
- 1x USA Made 2-3/8″ Round U-Bolt Kit – 5 1/2″ bolt length, 1/2″ diameter, for 1-3/4″ springs
This heavy-duty single axle suspension kit is an excellent choice for utility trailers, cargo trailers, boat trailers, and other single-axle applications. All components are designed to work together for reliable performance and straightforward installation.
Questions about this 3,500 lb. single axle suspension kit or compatibility? Call our trailer experts at 1-800-866-3336.
Browse more Trailer Axle Suspension Kits.
| Part No | Quantity | Description |
| DE-SW4B | 2 | EMCO USA MADE 4 Leaf 25 1/4″ Double Eye Spring 1750 lbs. |
| UBR-238550-50F | 4 | 2 3/8″ U-bolts, 5.5″ long, 2.44″ ID width, 1/2″-20 thread, 2″ thread length |
| TP-238175R | 2 | 3.75″ x 4.8″ Tie Plates for 2 3/8″ U-bolts |
| 12NFN | 8 | 1/2″-20 Nuts |
| 12LW | 8 | 1/2″ Lock Washers |
| SL-313 | 4 | 3 1/8″ Shackle Link |
| 916SLNE | 6 | 9/16″ Self-Locking Nut |
| 916X3NFBLN | 6 | 9/16″-18 x 3″ Shackle Bolt |
| 916NB | 4 | 9/16″ Nylon Bushing 1.75″ Length, .5625″ ID, .6875″ OD |









