Hyd system on 1958 ford 641

Rick Stokes

New User
I have fluid going from the hyd system res to tranny res I drained all fluids started out fresh but when i raised and lowered the three point hitch all the fluid in hyd sump went into the tranny side sump above the level plug on right side of tractor
 
Most likely a ruptured hyd. line, where it passes through the transmission case running from the pump to the rear end. Check on the Ford forum - the topic has been covered there, along with how to repair it.
 
I agree with Fordfarmer. Water in the oil corrodes the steel line(s) inside the transmission causing them to rupture.

OEM replacement lines are no longer available but work arounds have been developed. Not a small job.

Dean
 

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