Can Thicker U-Bolts Be Used for Trailer Axle
Updated 12/22/2025 | Published 10/19/2024
Question:
I have a 6000 pound axle with 1/2 inch u bolts on a 3 inch tube axle. I am replacing springs and was wondering if I could step up to a heavier 9/16 u bolt if I bought the correct I bolt and plate
asked by: Dan
0
Expert Reply:
Hi Dan; you can definitely switch to 9/16" diameter U-bolts using the U-Bolt Kit for Mounting 5,200-lb to 7,000-lb, Round Trailer Axles # APUBR-9. These are designed for 6k axles like yours with a 3" diameter.
expert reply by:
Robin H
0
Product Page this Question was Asked From
U-Bolt Kit for Mounting 5,200-lb to 7,000-lb, Round Trailer Axles - 7-1/16" Long U-Bolts
- Trailer Suspension Parts
- U-Bolt Kits
- Camper
- Car Hauler
- Utility Trailer
- 5200 lbs - 7000 lbs
- Round Axle - 3 Inch
- 9/16 Inch Diameter
- 7-1/16 Inch Long
- Redline
more information >
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Robin H.
12/22/2025
Hey Dan, how did the upgrade to the 9/16 U-bolts go on your 6,000‑lb axle? It’d be great to know if the kit fit smoothly with your 3‑inch tube. Your update could make it easier for others doing the same swap.