Ford 641 Fluid Replacement

EBufkin

New User
Having the clutch plate replaced on my Ford 641 as it froze up. This tractor has mostly been under a shed for ten years since my dad passed. Is it advisable to replace all the fluids occasionally? I think there are three compartments. Although I used this machine as a boy, I don't really have much recent history on it.
 
If you are going to start using it I would replace all the fluids, engine, hydraulic, transmission and coolant. Everything in it is 10 years old and had who knows how many hours put on it before it was parked.

If you are going to sell it I wouldn't bother. Most responcible buyers that care will change all those anyway, those that don't care won't pay extra for your effort for doing it either.
 
Well you have the engine of course. Then you have the tranny hyds and rear end which are the 3 your probably asking about. You can use the 80W-140 or the 85W90 gear oil in the tranny and rear end and you use hyd fluid/oil in the hyds or you can use UTF in all 3 and be done with it and only need to buy one type of oil
 

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