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Can an Eaton Model X778 -005 Hydrostatic drive unit be rebuilt.

I have a zero turn lawn mower which seems to loose drive in one direction and will eventually regain power in that direction in about 1 minute. Suspect Eaton Drive unit. Snapper cautions against checking hydraulic fluid level. Can the fluid resevoir be opened for checking the level of fluid or even the addition of fluid. Also what type should be added?

Thanks for any help.


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  • thecapitanio May 16, 2009

    I have a snapper zero turn that looses power in the left hydro after 10 minutes. Took both hydros off machine and left has much less fluid than right. Can I add more? Do I have to bleed the air? What type and how much fluid.

    Please help


4 Suggested Answers

  • 986 Answers

SOURCE: What fluid do I use for Eaton hydrostatic

Hdy 46 fluid

Posted on Sep 05, 2009

  • 109 Answers


In the back of the mower...probably under the seat, there should be a lever to release the transmission, or it is on the back plate. As far as the noise when trying to move drive the mower, the brake in the back, next to the transmission is jammed, use a 1/2 inch wrench to loosen it maybe 1/4 turn and this should unlock the brakes

Posted on Apr 22, 2009

  • 85 Answers

SOURCE: checking fluid level

most units of this size & quality have a factory sealed transmission. to check or change oil, the transmission would have to be removed.

Posted on Sep 12, 2009

  • 3069 Answers

SOURCE: hi, i have an snapper riding lawn mower model

Posted on Apr 03, 2011

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