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Repair information and troubleshooting for Craftsman-brand riding lawnmowers.

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Model 917 Differential Problem

Tractor, YTS4000, 24hp 6 speed manual-- has difficulty turning. To me it seems the differential is locked as the front wheels continue to want to plow forward while turning. (This is not a "steering" problem as the front wheels turn fine) What I see: This winter when using the snow blower as I attempted to turn right, the right rear wheel was spinning!

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You are 100% correct. It thinks it is a drag-racer with 'posi-track' !

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@tlien this mower uses a transaxle. See if you can find a tag or manufacturers number on it. If there is none check the attached image for an ID and let us know if there is a match.

This is not an answer but the only way to post an image. I shall delete it once I have clarification from the OP No reason to downvote it yet ;-)

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If you're a 'shade-tree-mechanic', you can save a few bucks by removing the unit, and take it to the shop for repair. Or, fix it yourself. These machines were not known for their longevity, plus differentials are expen$ive, so I would make it a D.I.Y. project.

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Terrence Lien will be eternally grateful.
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