Re: Hydro Pump Casting

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Posted by Tim Daley(MI) on June 19, 2017 at 07:05:24 [URL] [DELETE] :

In Reply to: Hydro Pump Casting posted by Joel W on June 18, 2017 at 09:47:57:

Ford part number nomenclature for all vehicles categorizes each system within specific numbers. Thus, the tractor hydraulic pump begins with prefix 9N-600, or later an 8N prefix and ends ate #699. Any part with a 6xx number is related to the hydraulic pump excluding any standard or special fasteners. Any suffix after the part number, i.e. A2 defines it as an EC level change and/or optional supplier. That boss tag you show may have thee casting date code on it too -I can't read it. Many Ford parts will have the part number cast raised or cast recessed on them. Also, if a part did not go thru an EC revision, it would still retain its original part number classification. That is why you may see a 9N prefixed on an 8N tractor part. FYI: since there is no such thing as a '2N' prefixed tractor serial number (ALL 9Ns and 2Ns used the '9N" prefix) there are only a few parts that have a 2N prefix -the pressurized radiator for example has 2N cast on the shell. HTH clarify things somewhat...oh, yeah, forgot to mention that he hydraulic pump base and cover as you show are cast aluminum.

Tim Daley(MI

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