JD 1020 Hydraulic pump rebuild

wcSteve

New User
Hello Forum Folks,
I'm looking, searching for correct parts and information for my old Hydraulic pump?
Looking at year made and such, it appears I could have one of two different shafts... Which also means possible bushings or needle bearing for my situation.
So help me out if you can based on these numbers: Tractor #4R1C-030825T (year1966, I think)...The number for pump I see today is AR103033...The shaft could be a #R39177 on earlier models, or # R39319 which appears to be a little later... I think the 39177 uses bushings and 39319 has needle bearings????
I have not disassembled my pump yet, but I do know it has been rebuilt before... Now wondering if it even has the correct shaft and or bushing/bearings?
Is it possible to interchange the shafts and bushing, bearings to kind of up date??? If I were to want to, or need to, based on parts available?
I guess that is enough info to get this thread rolling, so fire away,
Steve
 

IMHO the only correct way to answer your question is if you can provide a number that is cast into or stamped on the existing pump housing. The hyd pump could have been changed out from original pump after tractor was built in 1966.
 

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