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550 JD Tranny oil pressure

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Justin

10-25-2002 06:01:30




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I have a 550 JD power shift.After it has run for a half hour or more the tranny oil pressure drops right off to almost nothing,but still operates OK.I have changed the filters.I also get a strong odor of tanny oil,but have no leaks. Seems to have a whining noise in forward gear. Let me know what you think. Thanks, Justin




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Jonathan

10-25-2002 13:44:21




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 Re: 550 JD Tranny oil pressure in reply to Justin, 10-25-2002 06:01:30  
ahhhh... the dreaded 550 transmission....is it a straight 550 or a 550B ??..The charge pump on the 550 and I believe the early 550B's was internal although removeable from the front of the transmission case on the bottom...the newer version had an external gear pump that were prone to damage from rocks etc ..as it was mounted in the same general location...on the bottom of the transmission....I'd take the filter canister off and see whats on the bottom of it...and change the filter....hopefully its not a gray iron sludge in the bottom of the filter canister...No slipping in 1st or 2nd speed ??? does it over power the brakes in 1'st ??

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