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3500# Trailer Axle U-Bolt Kit, Standard 2-3/8" Round Tube 6" Long UBolts w/Nuts (UBK-3500-R6)

R & P Carriages

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3500 lb U-Bolt & Plate Kit for 2-3/8" Round Axles — 6" U-Bolts

Part Number: UBK-3500-R6

This U-bolt and plate kit is designed for 3500 lb trailer axles with a 2-3/8" round tube. Used to secure the axle to double-eye or slipper leaf springs, this is the standard replacement hardware set for most 3.5K utility, cargo, and landscape trailers.

Kit Includes

  • 4 U-bolts — 2-3/8" round, 1/2" diameter, 6" long
  • 8 1/2" fine-thread locking nuts
  • 2 U-bolt plates (approx. 4-3/4" × 3-3/4")

Specifications

Specification Detail
Axle Tube Size 2-3/8" round (3500 lb axle)
U-Bolt Diameter 1/2"
U-Bolt Length 6"
Plate Size Approx. 4-3/4" × 3-3/4"
Included Hardware 8 locking nuts (1/2" fine thread)

U-bolt plate style may vary depending on supplier. Always verify axle tube diameter before installation.

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