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Oil leak
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- rohrski
- 10+ Years
- Posts: 67
- Joined: Wed Jun 01, 2011 4:31 pm
- Zip Code: 26541
- Tractors Owned: 49 cub
96 John Deere 955 - Location: West Virginia
Oil leak
Hi guys, I have oil leaking from around the PTO shaft, I replaced the seal this winter and have not had a problem with it but today after mowing I noticed it was leaking again, I checked the oil in the transmission by taking the plug out of the side, none comes out so I am assuming it is not over full, is there a vent hole in the top plug that could be plugged? any suggestions will be greatly appreciated, thanks, Bubba.
Cub owner for the last 20 years, such a well engineered piece of equipment.
49 cub
96 JD 955
56 Belair
49 cub
96 JD 955
56 Belair
-
- 10+ Years
- Posts: 2929
- Joined: Sun Apr 19, 2009 9:51 pm
- Zip Code: 63664
- Location: MO, Potosi
Re: Oil leak
I don't see how oil can leak out the PTO without any coming out the left side level plug. Unless the tractor is setting on it's drawbar. Are you sure after taking the plug out there wasn't a bunch of gunk still plugging the hole? Take the plug out and try sticking a screwdriver in the hole to make sure it's clear.
How much oil are we talking about here anyway, a little seepage or the Exxon Valdeez? Not much oil gets up there except for splash, could it be an overly greased PTO bearing getting warm and liquifiying and working out the seal?
How much oil are we talking about here anyway, a little seepage or the Exxon Valdeez? Not much oil gets up there except for splash, could it be an overly greased PTO bearing getting warm and liquifiying and working out the seal?
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- Team Cub Mentor
- Posts: 5618
- Joined: Thu Aug 03, 2006 6:20 am
- Zip Code: 43358
- Tractors Owned: 48 Cub Diesel (Cubota)
53 Cockshutt 20 restored (Shooter)
52 Cockshutt 20 unrestored
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49 Leader "D" (Princess)
49 Leader "D" very rough
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Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D - Circle of Safety: Y
- Location: OH West Mansfield
Re: Oil leak
Scrivet, the diff. ring gear slings oil right at that seal and they can leak like crazy, even when the PTO is not running. rohrski, the venting is through the shifter assy. What was the condition of the PTO shaft, when the new seal was installed? I had some seals for some other application that fit the shaft tighter than the normal PTO seal, that I've put in 2 of mine, they're both dry so far.
- Buzzard Wing
- Cub Pro
- Posts: 10540
- Joined: Mon Aug 09, 2004 10:14 pm
- Zip Code: 02840
- Location: RI, Newport
Re: Oil leak
Seems the shield and bearing would keep oil from running out, the bearing should be 'greased' from the zerk. Or is that shield only on the newer ones?? The last PTO I worked on a sealed bearing went in there (6205-2RS) so I can ignore the fitting.
http://www.farmallcub.info/tc37f_db/tc3 ... 007-14.jpg
http://www.farmallcub.info/tc37f_db/tc3 ... 007-14.jpg
1971 Cub (Rufus) 1950 Cub (Cathy) 1965 Lo Boy Fast Hitch (Nameless III) 1970 Cub 1000 Loader & Fast Hitch (Lee)
- rohrski
- 10+ Years
- Posts: 67
- Joined: Wed Jun 01, 2011 4:31 pm
- Zip Code: 26541
- Tractors Owned: 49 cub
96 John Deere 955 - Location: West Virginia
Re: Oil leak
I use a woods mower so when it starts leaking it drips on the pulley which runs the belt for the mower which you know is not good, its enough oil to be a problem, I will run something in the hole to make sure it is not plugged but I have changed the oil and replaced with new, although I do have some oil coming out of the tranny at the shifter after running it for long period, so if it is coming out of the tranny it might be over filled, well tomorrow I will check the oil again, thanks Bubba.
Cub owner for the last 20 years, such a well engineered piece of equipment.
49 cub
96 JD 955
56 Belair
49 cub
96 JD 955
56 Belair
- John *.?-!.* cub owner
- Cub Pro
- Posts: 23701
- Joined: Sun Feb 02, 2003 2:09 pm
- Zip Code: 63664
- Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
- Location: Mo, Potosi
Re: Oil leak
You might want to check the bearing, if it is worn the shaft may move enough to cause the seal to leak.
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