Spindle and Hub Replacement for Tie Down 3750 Torsion Axle
Updated 04/06/2026 | Published 03/31/2026
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Question:
I have a tandem axle trailer with Tie Down 3750 torsion axles. I want to replace the spindles and hubs. Can anyone tell me what I need to get? I am leaning towards Vortex hubs but am open to other brands.
asked by: David R
Expert Reply:
Hello David, thanks for reaching out.
Even though your Tie Downs are technically 3,750 torsion axles, you'll want a standard 3,500 lb hub and spindle setup. That means a spindle like the CE Smith Tapered Weld on spindle # CES98WR that uses a 1-3/8" inner and 1-1/16" outer bearing.
Our etrailer Easy Grease Trailer Idler Hub Assembly for 3.5K Axles has a 5 on 4-1/2 pattern # AKIHUB-545-35-EZ-K. The idle hub includes bearings, races and seals.
While we don't carry Vortex Hubs, the specs show they use a triple lip grease seal. So we would need to replace the seal in the kit I referenced with # DX49CR.
If you would like to reply back with the style of hub you have and bolt pattern, I can make sure we have exact fits.
Is your trailer typically in or near water?
Product Page this Question was Asked From
Easy Grease Trailer Idler Hub Assembly for 3.5K Axles - 5 on 4-1/2 - Pre-Greased
- Trailer Hubs and Drums
- Idler Hub
- EZ Lube
- Pre-Greased
- L68149 / L44649
- Standard Grade
- For 3500 lbs Axles
- 1/2 Inch Stud
- 5 on 4-1/2 Inch
- 13 Inch Wheel
- 14 Inch Wheel
- 14-1/2 Inch Wheel
- 15 Inch Wheel
- etrailer
more information >
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