Transmission Countershaft Inspection?

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Dale Finch
5+ Years
5+ Years
Posts: 2996
Joined: Tue Apr 27, 2010 11:34 am
Zip Code: 27517
Tractors Owned: '55 Cub "Bertha"
'55 Cub "Ben"
'56 Cub "Boris"
'48 Super A "Bubba"
Circle of Safety: Y
Location: NC, Chapel Hill

Transmission Countershaft Inspection?

Postby Dale Finch » Thu Dec 12, 2013 9:31 pm

I plan to replace the front transmission Seal while my '55, Ben, is apart, and wonder if there is anything to check regarding the countershaft? I did pull the cover off and will replace the gasket, just to make sure there was no leakage there. But is there anything else I should check? A couple observations I made:
1. When I pulled the cap, the PO had used a cotter pin that was too small and was almost completely fallen through the hole.
2. The shaft nut was very loose, yet screwed down far enough toward the rear that the hole in the shaft for the cotter pin was almost completely away from the castellated nut.
3. Should I be able to PUSH the shaft toward the rear?
4. Should I be able to pull the front bearing out of the bearing retainer, or should it have been PRESSED in tight? I did NOT pull it out, but it was loose and could have been pulled forward. (I would like to inspect the bearing)


Clark Thompson
10+ Years
10+ Years
Posts: 1562
Joined: Sun Feb 02, 2003 11:01 pm
Zip Code: 44425
Tractors Owned: I own a 1950 cub demo, 1948 farmall cub, 1944 International I-9, a 1976 internationl cub, a 1975 international cub with fast hitch roleover plow and disc. a 1962 JD-440 dozer with 253 detroit, a 1952 JD-B, a 1979 international 3200 skid loader, a 1957 international S-160 truck, a 1929 Mccormic deering 10-20, a 1952 case S0 tractor. a pennsylvaning meteor rgarden tractor and sevrial cub cadets.
Location: Hubbard Ohio

Re: Transmission Countershaft Inspection?

Postby Clark Thompson » Fri Dec 13, 2013 2:33 pm

it all depends on how the counter shaft was set up to the ring gear. to get to the nut you had to remove the cap this will allow the adjustment to become loose. I would suggest that you leave the cap off and install the bolts to hold everything tight. the shaft should not move in the bearing and also the bearing should not move in the retainer. If the nut was loose that is a indication to me that someone didnt set the proper load on the counter shaft. This can also cause ring and pinion to be too tight or too loose. when everything is set on properly on the counter shaft the nut should be tight. If the countershaft is not set correctly it may cause missalignment of the sliding gears causing excessive transmission noise. The same hold true for the ring and pinion.
Collector of Farmall cubs and cub cadets.Injoy helping people keep their cubs running. Years of experipnce.

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