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Discussion Starter · #1 ·
My 1655 runs and drives good. Problem is, after running it for a while, it doesn't have enough hydraulic power to lift anything very heavy(like a brinley double disc). Still has pretty good hydrostatic power, but loses lift power. What's needed to remedy? Where can a pump rebuild kit be found? Has anyone contacted sundstrand directly?
 

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Red Tractor Nut & Diesel Addict
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32,399 Posts
One of my 55 series did the same, lost almost all lift power when even a little warmed up, but hydro still pulled the tractor and implements just fine. Mine was just an o-ring between the front main body of the hydro pump (section with rock shaft) and the center section that divides it from the motor section of the hydro. A nickel part, but a lot of work to put it in!
 
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