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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

JD 750 dozer

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David Hughes

04-08-2006 16:58:32




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Hi, have JD750 dozer that leaks out hydraulic fluid
just setting still. It is leaking from the back.
Bad leak. Could this be a tank leak?




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Roy Suomi

04-10-2006 20:58:11




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 Re: JD 750 dozer in reply to David Hughes, 04-08-2006 16:58:32  
You better start pulling sheetmetal to find out whats leaking..I found many older 750-850's have dozer control valve spool leaks.. Is it hydraulic or hydrostatic oil?? Lots of hydrostatic junk in there to leak.....They were OK if you could get them to track straight and get pull-down set right.....Displacement control valves and servo cans, I still see them in my sleep..... ..



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the tractor vet

04-08-2006 18:47:49




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 Re: JD 750 dozer in reply to David Hughes, 04-08-2006 16:58:32  
Probably one of them darn O/Ring down under the hen hole cover on the bottom but them things start leaking they are SOOOOO MUCH FUN to get to the leaks just loved pullen the fuel tank and seat batterys floor plates and standing on your head or layen on your back fixen the one up under . One heck of a dozer when thay are worken good.



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