Tuff Torq Loss of Power – Tips to diagnose and repair

Replacing Worn Cylinder Blocks and/or Center Case

Is your transmission experiencing a loss of power or no drive when it reaches operating temperature? Diagnosing issues with power loss on your hydrostatic transaxle can be a daunting ask.  As always, we recommend that you seek the expert opinion of your local service dealer in these situations.

Finding the Root Cause for Tuff Torq Loss of Power

However, if you want to take care of the issue yourself, here is some helpful information.  In a majority of cases, a loss of power in a Tuff Torq hydrostatic drive system can be tracked to one root cause. It is likely that the cylinder blocks and center case need to be replaced.  If you need to repair this issue, it is critical to replace all components. This would include 2 cylinder block assemblies with new pistons and springs, and the center case. If the cylinder blocks or the center case has damage due to wear, then related parts will also.  If all parts are not replaced, it is very likely that you will have another failure within a short time.

There are many misguided blogs on the internet that say you can save money by not replacing all components.  This may be true in the short term. However, it will result in drastically shortening the life of the parts. Therefore, causing a situation where you are doing the repair again much sooner than necessary.  At this point, you cannot simply replace the components which you avoided in the first repair, as they will be damaged and you will still have to replace them to properly repair your unit.

We offer a complete repair kit that includes the center case, cylinder block assemblies and all gaskets, filters and sealant required to complete the repair. Genuine Tuff Torq repair and replacement parts are available on our service site here. If you have questions, please contact our professional service team here or by phone (866) 572-3441.

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  • Steve Smith says:

    My transmission quit working while mowing. Upon teardown everything looks good except the filter is plugged. I’m having trouble accessing your website. I found a different phone number, I’ll call that.

  • Kim Boggs says:

    I need to get this kit: We offer a complete repair kit that includes the center case, cylinder block assemblies and all gaskets, filters and sealant required to complete the repair. Can you please advise the cost. Thank you!

    • Hi Kim,

      We’ll be happy to help! The best way to insure we get the right repair kit for your unit is to call our expert service technicians and have them review your issue and recommend the parts you need. You can call our toll-free number at (866) 572-3441 or visit our service website at http://www.tufftorqservices.com . When you call, please have your serial and model numbers off your transaxle so that we can quickly look up your unit and help you with the parts you need. Have a great day!

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