Question about Craftsman 42 in. Deck 19.5hp Lawn Tractor

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Craftsman 42in mower deck spindle breaks and Strips.

The Craftsman's 42in mower deck spindle breaks and strips out both the pulley and shaft all of the time. It costs me dearly in time and trouble to purchase, wait for the order and wrestle with the repair. Craftsman needs to address this problem if they want repeat business from me.

I would suggest a thicker tougher housing and thicker pulley which makes more surface contact with the spline or you could even use a standard slotted shear key. If you are worried about causing damage by putting too much shear stress on the mower housing, make it stronger too. You could also widen the span of the feet of the spindle and add more bolts.

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There are thousands of these mowers out there, and most people do not have the problem that you are experiencing - let's face reality, you are hitting something, that's the only way these break - it is impractical to make a machine that will mow through rocks, stumps, and water pipes and not break - also, sears does not MAKE anything, they contract companies to make products for them - if you want a thicker, tougher mandrel housing, log onto www.amcpartsstore.com. they recently began offering a heavy duty version of the mandrel housing, part no. 130794. i've seen these and they are definitely beefy - just be sure to put everything together correctly and tighten all the nuts and bolts firmly, and try to avoid the rocks and stumps

Posted on Aug 26, 2009

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Always remember: Part of the sale is eventually needing repair parts. Limited longevity is a key engineering component in order to sell parts. If everything lasted forever, factories would soon close down.

Posted on Apr 10, 2010

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