Difference Between ESN-M2C134A, B, C and D

wsmm

Member
Can someone please explain, in simple terms, the difference between these 4 fluid specifications? My Ford 2N calls for ESN-M2C134D. I purchased some Extreme Pure Flow Tractor Hydraulic/Transmission oil from Tractor Supply. It is rated ESN-M2C134B, C. Salesman said that is what everyone is using. Although this is just a work tractor that only sees occasional work, driveway leveling and possibly moving some snow banks in the winter it gets to rest and take it easy. don't want to use it if it's going to harm the tractor or give me operational problems summer or winter. I live in Mid Michigan about 45 miles north of Saginaw.
Thanks,
Bill
 
Bill, the original Ford spec was for mineral oil. 80 or 90 weight depending on temperature.
The M2C134 spec came later and as the oil was updated the letter suffix was added.
Anything with a D spec would meet or exceed previous letters, etc.
Any of those would exceed the original mineral oil spec.
It needs to be a yellow metal safe oil though, which M2C134 is.
If you need a more in depth explanation, ask over on the YT 9N/2N/8N forum.
TheOldHokie and others have that knowledge at their fingertips.
 
Before M2C134 there was M2C53A,M2C48A,M2C41A with uses in different places and tractors. So made sence to have one oil for all aplications.
 

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