Product Description
Tandem Trailer Axle Kit with Two 6000 lb Idler Axles and Suspension Components
Build a new trailer, replace worn-out suspension components, or upgrade your existing trailer with this complete tandem trailer axle kit. This package includes two fully assembled 6000 lb idler trailer axles, leaf springs, U-bolt kits, and an optional tandem hanger kit, giving you everything needed to install a complete tandem axle suspension system.
Each axle comes fully assembled with 6 lug idler hubs, EZ Lube spindles, pre-greased bearings, and welded brake flanges, allowing electric brakes to be added in the future if desired.
Compatible with Dexter, Lippert, AL-KO, Hayes, Rockwell American, Carter, and many other trailer axle brands.
Kit Includes
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(2) 6000 lb Trailer Axles with 6 Lug Idler Hubs Installed
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(4) 3000 lb Double Eye Leaf Springs
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(2) 3 Inch U-Bolt Kits
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(1) Tandem Axle Hanger Kit (optional)
Combined axle capacity is 12,000 lbs when properly installed.
Axle Specifications
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Capacity Per Axle: 6000 lbs
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Hub Type: 6 Lug Idler Hub
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Bolt Pattern: 6 on 5.5
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Brake Type: Idler Hub No Brakes
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Brake Flange: 5 Bolt Brake Flange Welded on Axle
- Pre Wired Axle Tube to make it easy to add brakes if needed
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Axle Tube Diameter: 3 Inch
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Axle Tube Wall Thickness: 1/4 Inch
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Stud Size: 1/2 Inch
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Fast Lube EZ Grease Spindles
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Rubber Plug EZ Grease Hub Caps
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Packed with High Temperature Grease
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Fully Assembled Ready to Install
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Powder Coated Black Finish
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Underslung Design
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Get the spring pads pre welded on Axle or loose so you can weld them where you want
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We can also weld spring pads seats where you want for an additional cost
Axle Features
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Axle Comes Assembled with the hubs on axle, pre greased, ready to install.
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Fast Lube spindle design
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Grease bearings without removing hubs
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Heavy-duty steel construction
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Brake flanges already welded on for future brake upgrades
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Axle Tube is Pre Wired to make it easy to add brakes if you want
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Compatible with Dexter, Lippert, AL-KO, Hayes, Rockwell American, Carter axles, and just about any other brand axle on the market
Double Eye Spring Specifications

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Spring Type: Double Eye Leaf Spring
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Capacity Per Spring: 3500 lbs
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Number of Leaves: 6
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Length Eye to Eye: 25.25 Inches
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Width: 1.75 Inches
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Eye Diameter: 9/16 Inch
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Arch Height: 3 Inches to 3.25 Inches
Tandem Hanger Kit Specifications

Designed for 1-3/4 Inch Wide Double Eye Springs
Kit Includes:
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(6) 3-1/4" Tall Hangers (4” Overall)
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(8) 2.625 Inch Shackle Links
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(2) 7-¾” Long E1 Equalizers
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(14) 9/16-18 Spring Shackle Bolts
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(14) Locking Shackle Nuts

3 Inch U-Bolt Kit Specifications

Each U-Bolt Kit Includes:
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(4) 9/16-18 x 7" Inch U-Bolts
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(8) 9/16-18 U-Bolt Nuts
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(2) Tie Plates for 3 Inch Axle Tubing
One U-Bolt Kit contains all hardware needed for one complete axle.
Common Applications
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Utility Trailers
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Equipment Trailers
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Boat Trailers
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Cargo Trailers
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Enclosed Trailers
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Landscape Trailers
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Car Haulers
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ATV Trailers
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Motorcycle Trailers
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RV Trailers
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BBQ Pit Trailers
How to Measure Your Axles
Hub Face Measurement
Measure from the face of one hub where the wheel studs protrude to the face of the hub on the opposite side.
Spring Center Measurement
Measure from the center of one spring seat to the center of the spring seat on the opposite side.
Most trailer axles have approximately 15 inches difference between the Hub Face and Spring Center measurements.


Shipping Information
This item ships on a pallet using a common freight carrier.
To calculate shipping:
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Enter your zip code and state.
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Shipping charges will be displayed before checkout.
Bulk order discounts and manufacturer pricing are available.
Trailer Parts Unlimited
631 TX 75 N
Huntsville TX 77320
Family owned and operated since day one, providing quality trailer parts at prices customers can afford.
Pickup available in Huntsville Texas or have it shipped nationwide.