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Oil leaking from pto
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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 leaking from pto
Hi all, I have oil leaking from my pto shaft, I have never had this apart before I assume you pull the pulley, unbolt the flange and pull it off, I assume there is a rubber O ring around the shaft, is so where can I get one? any input is greatly appreciated, thanks.
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
- Don McCombs
- Team Cub Mentor
- Posts: 17486
- Joined: Mon Feb 03, 2003 6:45 am
- Zip Code: 21550
- Tractors Owned: "1950 Something" Farmall Cub
1957 Farmall Cub w/FH
1977 International Cub w/FH
1978 International Cub
1948 Farmall Super A - Circle of Safety: Y
- Location: MD, Deep Creek Lake
Re: Oil leaking from pto
There is a conventional seal in that location. It should be plainly visible. Your leaking issue may very well be caused by an overfilled transmission. Quite likely, you also have water in there. Before dismantling your PTO, I would drain the transmission, flush with kerosene and refill with 3.5 PINTS of gear lube. 90, 80-90 or 85-140 are all suitable. Let us know what you find.
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- Team Cub Mentor
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53 Cockshutt 20 restored (Shooter)
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48 Leader "D" unrestored
Kubota B6200E
Kubota B6200HST
Kubota B8200HST-D - Circle of Safety: Y
- Location: OH West Mansfield
Re: Oil leaking from pto
While Don's advice is all good, I will also point out that a bad seal on the PTO shaft will leak, even when the lube is at the proper level. Anytime the tractor moves, the diff. ring gear slings lubricant right at that seal, so if the seal's bad, it's going to leak. The good news is, that's about the easiest seal, to replace, that a Cub has. Just drill a couple small holes in the old seal, screw in a couple sheet metal screws and you can usually pry the seal right out. Clean the area and drive the new seal in and you're done.
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- Team Cub
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Re: Oil leaking from pto
Gary Dotson wrote:Clean the area and drive the new seal in and you're done.
Do the cleanup before pulling the old seal. Follow with a quick final cleanup after pulling the seal. That avoids getting anything inside while doing the cleanup.
- Buzzard Wing
- Cub Pro
- Posts: 10540
- Joined: Mon Aug 09, 2004 10:14 pm
- Zip Code: 02840
- Location: RI, Newport
Re: Oil leaking from pto
I just put a PTO back together and the bearing should be greased and has a shield on the front to keep the oil out. I forget how an older one goes together (the one I did was a 77). So in the setup I was working with there shouldn't be much oil up there. Possibly the grease fitting is missing and it's taking on water and that is mixing with the grease to weep out??
This shows the newer (snap ring) setup. The seal will be the same.
http://www.farmallcub.info/tc37f_db/tc3 ... 007-14.jpg
This shows the newer (snap ring) setup. The seal will be the same.
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 leaking from pto
I don't think it is overfilled, to fill I pull the small plug on the transmission and fill just till it starts to come out, it just started leaking this mowing season, where can I buy a seal? thanks for all your input.
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
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- Team Cub
- Posts: 11858
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- Zip Code: 80501
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- Location: CO, Longmont
Re: Oil leaking from pto
If you'll scroll down to #7, you'll find the PTO seal with several options: http://www.antique-tractor.com/CubFAQ/cub_faq.html#q7 TM Tractor carries them but will be closed for about 2 weeks for the holidays.
Bob
Bob
"We don't need to think more,
we need to think differently."
-Albert Einstein
we need to think differently."
-Albert Einstein
- Buzzard Wing
- Cub Pro
- Posts: 10540
- Joined: Mon Aug 09, 2004 10:14 pm
- Zip Code: 02840
- Location: RI, Newport
Re: Oil leaking from pto
Looks like it is even available from Amazon. A dealer or good auto parts store can get it too: National 470712 CR 11223
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 leaking from pto
Thanks, I appreciate it.
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
- challenger
- 10+ Years
- Posts: 1087
- Joined: Sun Apr 18, 2010 6:22 am
- Zip Code: 21742
- Tractors Owned: 1955 F Cub (2)
1952 F Cub
1948 F Cub
2155 JD
216 JD - Circle of Safety: Y
- Location: Hagerstown MD
Re: Oil leaking from pto
Whenever you have a seal go out, you should carefully examine the related bearing to make sure that wear, possible pitting from moisture, etc., is not a contributing factor to the seal going bad. If there is any question, a new bearing should accompany your seal replacement.
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