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2Nnewbe..... ...the 2N hydraulic control rod, I like to call a tuning-fork that straddles the PTO shaft and clips onto the "T" handle hydraulic control valve underneath the PTO shaft. The tuning forks are known to "un-snap" from the "T". This is "different" from the 8N's 1-blade hydraulic control rod and valve. This is a exercise in contortion to re-snap because you haffta remove both 6"-roundplates for access, and spring-open and snap the tuning-fork on the "T". Sometimes you haffta force the forks tight with some bailing wire or heavy plastic tye-wrap strap. Be certain no one is watching you as you mount (lean over) the diffy with yer chin under the seatpan and reach around thru the hole as they might gitt the "wrong-idea" (grin). Some will take this opportunity to drain all 5-gals of hydro-tranny fluid. Drain the small square diffy plug first, then the 3" tranny plug, and finally the 3" hydraulic pump plug. Refill is up by the tranny shifter. Ford/New Holland now recommends spec: M2C-134D hydro-tranny oil. Of course you can also use the 1939 spec of 90wt mineral gear oil (iff'n you can find it) Modern GL-1 is close approximation. Do not use modern multi-weight GL-4 or GL-5 oil..... ....Dell
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