3500 Single Axle Trailer Running Gear Kit – Complete Suspension Package

3.5K Single Axle Trailer Running Gear Kit – Complete Suspension Package

Build or replace your trailer’s running gear with this complete 3,500 lb single axle kit. Designed for utility trailers, landscape trailers, cargo trailers, small equipment trailers, and other light-duty applications, this package includes the essential suspension and mounting components needed for a straightforward installation.

The axle arrives pre-assembled and ready for installation, helping reduce setup time while ensuring proper component compatibility. Combined with matching leaf springs, mounting hardware, and hanger components, this kit provides a convenient all-in-one solution for trailer builders and repair shops alike.

Kit Contents

• (1) 3,500 lb Electric Brake Trailer Axle
• (2) 25.25″ Double-Eye Leaf Springs (4-Leaf)
• (2) U-Bolt Mounting Kits
• (1) Double-Eye Hanger Kit
• Pre-installed Spring Seats
• Electric Brake Assemblies Installed

Key Benefits

Complete Matched Suspension Package

Every component is selected to work together, eliminating the guesswork of sourcing individual suspension parts.

Ready-to-Install Axle Assembly

The axle comes fully assembled with hubs and electric brakes already installed, reducing installation time and labor.

Durable Steel Construction

Built from heavy-duty steel components designed to withstand daily towing demands and provide long-term reliability.

Easy Maintenance Design

Equipped with greaseable hubs for simplified bearing service and routine maintenance.

Smooth Towing Performance

Matched spring and axle combinations help provide stable handling and dependable load support.

Ideal Applications

This kit is commonly used on:

• Utility Trailers
• Landscape Trailers
• Enclosed Cargo Trailers
• ATV & Side-by-Side Trailers
• Motorcycle Trailers
• Small Equipment Trailers
• Boat Trailers (verify fitment requirements)
• Custom Trailer Builds

Product Specifications

Additional Information

Proper axle sizing is critical for safe trailer operation. Please verify your hub-face and spring-center measurements before ordering. If you need assistance selecting the correct axle configuration, our team can help identify the right setup for your trailer.

Need a custom axle size or suspension configuration? Contact us before ordering for fitment assistance.