Checking Stillwell ReGen ST263VR Compatibility With Dexter 7,000-lb Axles

Published 11/03/2026

Products Featured in This Question

Stillwell ReGen Dump Trailer Battery Charging System - 7K Axle - 9/16" Studs - Preorder

$888.22

Question:

My dump trailer has Dexter 7,000-lb axles. Which bearing numbers, seal diameter, and brake-mounting measurements should I check to confirm ST263VR will fit?

asked by: Scott B

Expert Reply:

Hey Scott.

To help verify that # ST263VR will fit you'll need to check these measurements. The standard Dexter 7k/#42 spindle specifications are as follows.

Inner bearing > 25580 with a 1.750" inside diameter. The race is 25520.
Outer bearing > 14125A with a 1.250" inside diameter. The race is 14276.
Grease seal > 10-36 with a 2.250" ID and a 3.376" OD
Brake size > 12" drum ID x 2" brake shoe width.
Brake mounting flange > 5 bolt pattern using 3/8" bolts.

You'll also want to check your wheel compatibility with this kits 9/16" studs.

What are you usually hauling with your dump trailer?