john deere D fluid change

slik

New User
I just purchased a 1948 John Deere D and want to start out with new fluids and filters. Since I haven't owned an antique tractor before I am open to things to be
done before I put some run time on this tractor. This weekend I will let it warm up enough to get a good oil change, and have purchased an oil filter, gasket,
and 14 quarts of oil. I can see how to check and drain the oil and change the filter, and the only way I see to refill the oil is through the crankcase breather.
Is that correct?
 
Welcome to the green world. A very wise choice if you ask me.

You are correct to open breather to add oil. Some this is a first, when changing the filter, double check the groove for old o rings. They often get stuck in there. Having multiple rings leads to leaks which makes most people tighten the nut harder. This is a big mistake. If you over tighten, you run the good chance of destroying the oil filter canister. That will lead to a lot of work. Avoid at all costs. Just need a fair snug.
 
Operators Manual...JD # OM-R2008:

Always Originals on e-bay:

Bob...
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Thanks for the pictures. I purchased a manual but it didn't have the picture that says "add oil here". When I took off the breather I found out the filter internals were missing, so that will need to be an immediate purchase.
 
Thanks for the tip, I'll look closely for old seals. I imagine I'll find a few surprises as I go along. I'll be checking the other fluids, grease fittings, and air filter (if there is one in there) this weekend.
 
A question for those who know! I see the D uses a chain drive reduction in the rear case. Is this common to all the old 2 cylinders?
 

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