D3G
New member
Hello, new to the forum here and hoping for some help. I have a very early 20HP Sunstar tractor with a #1690984, 60" mowing deck that has developed a belt tension issue. I have had this tractor and deck for about 6 years and love it! My son calls it "the little tractor that could". Last time I mowed the belt became so loose that the blades stopped spinning. I took the deck off, inspected everything, and suspected that the belt had just gotten old and stretched out. 2 new belts later I am still not able to get a fit tight enough to spin the blades. The tension pulley and spring seem fine, as are the blade pulleys and bearings... no noises at all. I am stumped. Can anyone out there offer a suggestion what to check next? Thanks in advance for the help!
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