Question about Craftsman 20 hp 42 in. Deck Yard Tractor

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Craftsman 20 hp mower with 46 in deck is making a "train whistle" sound periodically when mowing. the belts were new last year. I have lost my manual and don't know if there is too much play in the belt or what the problem is. There are no obstructions to the belts. Thanks for any help. Jan

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Hey Jan..my name is Keith..and if your belts was replaced last year..i wouldnt suspect them of the noise...my guess would be that is something on the deck that needs lubricating..like a spindle..and this problem is hard to pin point from not being there...so..i hope this suggestion will help..if not please write back

Posted on Jul 12, 2009

  • Keith Parker Jul 12, 2009

    and i forgot to mention the idler pulley may need replacing or oiled......Keith

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