I just did brakes on a 30+ tow trailer. They were 10". <?: prefix = o ns = "urn:schemas-microsoft-com
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As i did mine a few months ago. 10" also. <O:P></O:P>
Both had the 5,200 axles. <O:P></O:P>
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That is not a sure bet that you have 10", But it is a good guess.
You could just crawl under there and pop up a tape measure real quick. An inch is pretty big difference.<O:P></O:P>
Edited by: danskool