belts

I was looking for information about the size of these belts. One older post said they were 43 inches, which is the internal circumference. The pulleys on my flail mower have an internal circumference of 41 inches measured from the base of the grooves. For this size a 42 inch internal...

I used the parts list on the S650g website to buy belts for our tractor. The new belts are wider than the originals. (originals are just under 3/8 and new are over 3/8, even though the sleeve calls them 3/8.) With the added width, the top layer of the belt rides above the pulley edges. (old...