Cub transmission

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Mhabershaw
Posts: 1
Joined: Fri Mar 06, 2015 6:04 pm
Zip Code: 02769

Cub transmission

Postby Mhabershaw » Fri Mar 06, 2015 6:11 pm

What does it mean if the transmission is grinding when it is moving in gear but does not pop out of gear.

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challenger
5+ Years
5+ 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: Cub transmission

Postby challenger » Fri Mar 06, 2015 7:15 pm

Likely bearing breakdown. Water in these transmissions (rain and/or condensation) takes its toll on bearing surfaces over decades of sitting around immersed in sludge. I am doing a rebuild now and after examining the bearing surfaces, I rejected all of the old bearings as not worth re-installing. Given the small amount of oil required in these trannies, I believe oil should be changed often, like every couple years at a minimum.

BigBill
10+ Years
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Joined: Sat Jul 22, 2006 5:02 pm
Zip Code: 00000
Location: in northern usa

Re: Cub transmission

Postby BigBill » Sat Mar 14, 2015 12:23 am

R U sure it's not coming from a final drive? Check the oil levels?

I went to the TSMOLY sight and purchased all the moly additives for the engine, tranny and final drives.
I'm technically misunderstood at times i guess its been this way my whole life so why should it change now.

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randallc
5+ Years
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Posts: 1705
Joined: Tue Jan 18, 2011 9:16 am
Zip Code: 72940
Tractors Owned: 1951 Farmall Cub, 152 disk plow, 2 gang disk, belly mower, sickle mower
1949 Farmall Cub, cultivator, moldboard plow, disk,front blade. Cub Cadet, LTX1045 Mower. Cub Cadet's 109, 125, 1000, and 1250
1961 cub c2 belly mower and full blade. 48 cub manual lift with cultivators.
Circle of Safety: Y
Location: Witcherville, AR

Re: Cub transmission

Postby randallc » Sat Mar 14, 2015 5:40 am

Welcome to the forum from Arkansas. Maybe a little more information. A lot of cubs have some noise in the transmission. Some moaning and whining. So how much noise does it make. If it sounds like something is about to break you you need to first drain the fluid and flush and refill to proper level, and while you are at it pull the top and inspect to see if there is any visible problem.
Guinea, 1951 Farmall Cub; Jumping Willy, 1949 Farmall Cub, 61 Cub, Scrapy, and 48 Cub Al, 48 cub, Billy D.
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