Engine Lawn tractor moves slowly

[DougPatrick]

I have the exact same tractor. I bought it in 2011, and have had the exact same problem 3 times. Replacing the belt fixes, but not for long. Purging doesn't help, either. I last replaced the belt on July 26 this year, it is already slipping as of Sep 6. Also puzzling: the belt when removed looks perfectly fine. What usually starts the problem is putting a load on the tractor - yesterday, I was pulling a dethatcher while mowing. By the time I got to the end of my half acre, it was slipping badly on the slightest inclines. I had to stop and re-start several times, which seemed to work, but still very low power. Extremely disappointing for a 24hp engine!

Chuck, regarding your last comment: the transaxle on my tractor is sealed as far as I can tell (hard to tell because it's directly under the gas tank).

Does anybody make a small lawn tractor with direct or chain drive? If so, I'm going to be in the market soon!

 

[mechanic mark]

CRAFTSMAN Tractor Parts | Model 917288570 | SearsPartsDirect Parts, wiring diagram, & manual for your tractor.

CRAFTSMAN Tractor Ground drive Parts | Model 917288570 | SearsPartsDirect Absolutely yes I would replace all idlers, it will make a difference. Bearings are probably shot as well as pulleys. Also, use jack stands, pull both rear wheels and apply antiseize compound to axle shafts.