How Do I Convert Mobile Home Axle Hubs?

All axles function in much the same way.
All axles function in much the same way. (Image: the wheel image by Mechanic from

Mobile home axle hubs can be converted by changing the axle hub and adding a wheel adapter. In the past, mobile home axle hubs were frequently adapted and repurposed for trailers and even trucks. Today, however, many of these uses are prohibited by law in various states. In fact, many manufacturers stamp "for single use only" on their axles. If your axles can be reused, it may be desirable to convert them so that better tires can be utilized.

Things You'll Need

  • Heavy-duty jack for use with mobile homes
  • Socket wrench
  • Screwdrivers
  • Hammer or mallet
  • Wheels and tires
  • Bearing grease

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Raise the mobile home with a heavy-duty jack so that one wheel can be removed. To remove the wheel, take off the hubcap if so equipped. Remove the dust cap and pull out the cotter pin. Use a socket wrench to loosen and remove the lug nuts. Slide off the wheel and tire.

Remove the wheel.
Remove the wheel. (Image: socket set wrench image by Christopher Dodge from

Take the lugs and the wheel to a trailer or motor home supply store and ask them which type of conversion they recommend for your particular use. They can point out areas of wear and make suggestions for items to be repaired.

Slide the new hub onto the axle. Put the bearing in, then replace the washer and the spindle nut. Use the old washer and nut unless the mobile home supply personnel told you not to.

Apply bearing grease and tighten the nut, then insert the cotter pin. Bend the pin to fit. Replace the dust cover, tapping it with a hammer or mallet to set it in place.

Install lug nuts on every other spoke and tighten them lightly. Once these are secure, add the other nuts and tighten them all down.

Remount the wheels and tires. Inflate them to the proper pressure.

Tips & Warnings

  • Remember that different tires and rims have different load ratings. Match the tire to the load.
  • A good rule of thumb is that the more lugs on a wheel, the heavier the load rating.
  • • Be certain that your conversion will hold the load you intend to carry.
  • • Remember that laws may vary considerably regarding axle conversions in mobile homes.


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