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Several factors contribute to premature V belt failure on tractors with a mechanical clutch:
Case and Ingersoll have been particular about V belt widths in designing attachment drives. Many of their V belts are 9/16" wide which is not a common width in the industry where 1/2" and 5/8" are. It is important to have the correct OEM V belt on these tractors.
Another problem is worn pulleys, as the belt is going onto and away from the pulley it can get snagged in a worn pulley, the heat from the friction will heat up the belt and cause it to fail prematurely.
Worn bearings in pulleys to include the bearings in the clutch of which there are three, can also cause problems with the belt.
Shim Adjust and EZ Adjust clutches are installed on 200 and 400 series tractors and if they are slipping, the drive pulley which has the friction disc mounted to it will get hot and actually cause the belt to soften or burn if the temperature gets high enough. :cool:
3000 and 4000 series tractors have electric clutch/brakes installed rather than mechanical clutches however the attachments are similarly driven. Electric clutches have their own possible set of problems, some similar to mechanical clutches.:cool:
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