4050 JD tractor

Hal Roberts · Dec 1, 2022

I'm gaining oil in the crankcase. Why? Is it hyd. oil or fuel? The tractor was just split because the PTO clutch needed replaced. Thanks for your time & knowledge.

Janicholson · Dec 1, 2022

If the hydraulic level is going down, there it is. If the fuel is used way more than normal, there it is. Jim

Steve in IL · Dec 1, 2022

As Jim mentions, youll first really need to lock down what oil is leaking. Taking an oil sample to your local dealer might help. (Some oil distributors analyze for free or cheap, and Cat dealers are generally really good at this but cost $)

chuck from neb · Dec 1, 2022

It's most likely diesel fuel hydraulic oil won't go into the engine because the engine oil will go into the hydraulic oil I've had it happen on a 4255

wore out · Dec 1, 2022

(quoted from post at 19:54:31 12/01/22) It's most likely diesel fuel hydraulic oil won't go into the engine because the engine oil will go into the hydraulic oil I've had it happen on a 4255

Actually, hydraulic oil CAN and WILL migrate into the crankcase if the flywheel was R+R'd and sealant wasn't used on the bolts that attach it to the crankshaft or if the crankshaft seal has failed/was damaged.

matthies · Dec 2, 2022

Agree with wore out, also clean the fill/breather cap on the rearend.

4050 JD tractor

Hal Roberts

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Janicholson

Well-known Member

Steve in IL

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chuck from neb

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wore out

Well-known Member

matthies

Well-known Member

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