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How to Determine Needed Pilot Diameter of Steel Dual Trailer Wheel  

Question:

GOOD MORINING. I WAS WONDERING WHATS THE DIFFERENCE BETWEEN THE PILOT HOLE 4.77 AND 4.88 .

1

Helpful Expert Reply:

The pilot diameter is measured as the diameter of the large hole in the center of the wheel. The Dexstar # AM20790 steel dual trailer wheel you referenced has a 4.88 pilot diameter.

So which pilot diameter would you need? To figure that out, I would recommend you measure the pilot diameter of your existing wheels, and choose replacement wheels that have the same pilot diameter.

expert reply by:
1
Mike L
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