IH sold several size pulleys for M tractors depending what was being run from the belt. Belt drives and pulleys were considered a attachment, so I don't yhink any one size was considered standard. Common was the 11 x 7.5 and a 12 x 8.5 and 13 x 8.5 were sold. The only advantage with iron was holding up better if left out in the weather. Fiber, paper pulleys griped belts better. IH was getting fiber pulleys for M size tractors until in 1951 or 52 when something happened to the supply. Think the company went out of buisness or quit making pulleys. IH then went to selling the iron ones for the next few years. Don't know if IH considered the iron ones less effective or they cost more, but for some reason IH considered the iron ones to be sold for emergency use on H, M size tractors when fiber pulleys were not available.
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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