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DC oil leak out of what would be the rear main?

S

Super Trucker

Member
I know they don"t have main seals,but we have a DC that leaks oil out the back and all over the clutch. It has ruined the clutch,but we want to fix it before we put the new clutch in. dboll,nutty,others HELP! It doesn"t look like a 5min job so we just want to do it once. Thanks Trucker
 
You er DC would have a wet clutch oil is pumped in to the clutch housing throw the center hole in crank shaft.
Their is a trough at about 10:00 the oil is slung from the crank shaft in to a trough and the oil runs back to the engine oil pan.You might try tighten the clutch. but if you split the tractor make sure your gasket has that hole in it or you will pump all the oil in to the clutch.
 
the dc clutch is a wet clutch and runs in oil. the oil comes from the crankcase and is probably what you are calling a leak.when you change engine oil you have to remember to drain the clutch oil and add extra to the crankcase to refill it.
 
If it's leaking motor oil it's probably leaking from around the crankshaft seal. If you split the tractor and remove the seal, it will have a part number on it you can cross match it. I just finished splitting my 210B and most of the oil leakage in mine was comming from hydraulic oil in the torque tube. I would recommend you purchase a parts manual for the DC. They are sold here at YT. It will give you an exploded view of all of the parts.
 
Trucker you need to be familiar with what you are working on. The DC clutch is a"wet" clutch it is meant to be run in oil. Get a
service manual for the tractor and adjust the clutch. We have 2 SCs and 2 DCs that were the primary farm tractors and have NEVER had to replace a clutch.
 
If you split the tractor, you will need a new gasket or a good sealer to keep from leaking oil out of the split between the engine and transmission. You probably just need to adjust the clutch, no splitting necessary.
 
Does the clutch adjust like my CC? Tractor is about a hour away to work on. It seems to be fine until you try road gear they it slips. This is a foot clutch model. I really appreciate the help.
 
you made me laugh ,,. take heart ,there are More well meaning folx in this ol' world, that would be needlessly concerned as you are ,, than there are those that know the DC Case and all the natures of the beast .. more than likely the clutch is fine,.when you change oil , do not forget to drain the bell housing also ,, just a thought ,,if the clutch area is dirty and grimey ,, you could pour a quart of atf fluid by way of inspection cover , and do lite work a few days before changing all oils ,, oil pressure will drop somewhat ,dont work the ol dc too hard , wit h atf in there,, but it will help clean up
 
Like everyone else is saying, you have a wet clutch and it's suppose to work that way. I made the same mistake about ten years ago and was sure I had a major problem on my hands. But the guys here steered me right and I've never had a problem. What you do have to remember is to drain your bell housing every time you change the oil to keep junk from building up around the clutch.
 
I have a 1947 D.O. that I'm sure is similar if not a dead on match motor wise to your DC. While you're messing with the clutch and cleaning all that out, it wouldn't be a bad idea to remove the inspection plates on the side of the engine and clean out any gunk that has built up over the years. There is also a triangular plate on the left side, (left being left drivers side). That covers a screen connected to your oil pump. I know when I pulled mine, it was packed solid with junk and sludge. Once I got all that cleaned out, oil pressure jumped from 10 pounds to 30 pounds.
 
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