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Stillwell ReGen Axles for Charging a Dump Trailer Battery While Towing  

Published 10/28/2026



Question:

I use my dump trailer almost every day and sometimes make several trips before I can get the battery back on a charger. I've heard about the Stillwell ReGen axles that can charge the battery while driving. My trailer has 7,000 lb axles that measure 95" hub face to hub face. What's the difference between the two ReGen axles you carry, and how do I know which one I need?

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Expert Reply:

Hey Travis! The Stillwell ReGen axles are a great option for your setup. These generate power while your trailer is moving using the rotation of the wheels to recharge your dump trailer's battery. This means you won't have to stop on those longer days to hook up your charger so you can get the job done.

Both options have a 7,000 lb capacity, measure 95" hub face to hub face, and come with self-adjusting electric brakes. The difference is the spring-center measurement, so I recommend choosing the one that matches your existing axle:

-Stillwell ReGen Axle - 78" Spring Centers # ST983VR

-Stillwell ReGen Axle - 80" Spring Centers # ST483VR

What kind of dump trailer do you have?

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Robin H
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