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How to Identify Dual Wheel Parts and Accessories

Axle Hub Mounted Assembly, Back view
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Axle Hub Mounted Assembly, Front view
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Inside Width
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Bolt Diameter
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Thread Length, Inside and Outside Bolt Length
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Inside or Back Wedge Lock Hubs
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Outside or Front Wedge Lock Hubs
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Wedge comes in two halves
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Wedge comes in two halves
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Outside or Front Hub Mount Dual Wheels
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Insdie or Back Hub Mount Dual Wheels
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T Rail Style Duals
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How to measure a spacer band
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T Rail Economy Clamp
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Measuring a T Rail Economy Clamp
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Snap-on T Rail Clamp
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How to Identify Dual Wheel Parts and Accessories
If you need additional assistance, please contact our Technical Product Support
Dept. at 1-800-874-4755 or send an e-mail by clicking here.
Axle Hub Mounted Assemblies | Wedge Lock Hubs | Hub Mount Dual Wheels
T Rail Duals | T Rail Clamps
Click on the image to view a larger picture.
Axle Hub Mounted Assemblies Back View of Axle Hub Mounted Assemblies Front View of Axle Hub Mounted Assemblies
With axle hub
mounted duals,
the hub mounts
directly to the
drive axle.
The axle bolt fastens the hub to the axle. The bolt is measured in the following ways: Inside Width Inside Bolt Length and Outside Bolt Length
Bolt Diameter
Wedge Lock Hubs
 Two Halves
Wedge Lock Hubs
Hub Mount Dual Wheels Outside or Front Inside or Back

Fasten to the
axle hub.
T Rail Style Duals T Rail Style Duals How to Measure a Spacer Band. Example is 12 inches
The rim is available with
a 12" wide spacer band
for Radial Ply Tires and a
10" spacer
band for Bias
Ply Tires.
T Rail Clamps
 Measuring a T Rail Economy Clamp
Economy T Rail Clamp
Installing an Economy T Rail Clamp Measuring a T Rail Economy Clamp
The eye nut is fastened to the drive wheel.
The J bolt or hook is hooked through the
eye nut. The threaded end of the J bolt
goes through the clamp and is fastened
with a spherical washer and nut.
 Also available are the Economy T Rail clamps. They are fastened with a washer and nut.
Snap-on T Rail Clamp
Installing a Snap-on T Rail Clamp
There is an opening in the rail to insert the clamp.
The clamp can slide around the rail to the correct
position. The threaded end of the clamp threads
over the J Bolt. The handle end is pressed down
to lock it in position.
Inside or back Outside or Front wedge Wedge
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