1958 transmission / gear issue?

Farmall Cub Forum -- Questions and answers to all of your Cub related issues.

Moderator: Team Cub

Forum rules
Notice: For sale and wanted posts are not allowed in this forum. Please use our free classifieds or one of our site sponsors for your tractor and parts needs.
User avatar
bob in CT
Team Cub Mentor
Team Cub Mentor
501 Club
501 Club
Posts: 5974
Joined: Thu Jun 07, 2007 9:34 am
Zip Code: 06040
Tractors Owned: 77 Cub (red); 74 Cub; 52 Cub; 50 Cub ( post-demo)
Circle of Safety: Y
Location: CT, Manchester

Re: 1958 transmission / gear issue?

Postby bob in CT » Tue Mar 01, 2016 6:37 pm

The shims set the bearing preload to adjust for case variations. Keep the shims in order and put them back in the same place and you will not need to change anything. Bearings are precise. Castings aren't.

User avatar
Dualing Cubs
5+ Years
5+ Years
Cub Star!!
Cub Star!!
Posts: 292
Joined: Sat May 21, 2011 9:25 am
Zip Code: 23231
Tractors Owned: 1958,59',48' and 49' Farmall Cubs
Circle of Safety: Y
Location: Richmond. VA

Re: 1958 transmission / gear issue?

Postby Dualing Cubs » Wed Mar 02, 2016 6:29 am

bob in CT wrote:The shims set the bearing preload to adjust for case variations. Keep the shims in order and put them back in the same place and you will not need to change anything. Bearings are precise. Castings aren't.



Makes sense. Thank you . Hopefully I will be able to get some more work done on it this evening .
Josh ..

User avatar
Dualing Cubs
5+ Years
5+ Years
Cub Star!!
Cub Star!!
Posts: 292
Joined: Sat May 21, 2011 9:25 am
Zip Code: 23231
Tractors Owned: 1958,59',48' and 49' Farmall Cubs
Circle of Safety: Y
Location: Richmond. VA

Re: 1958 transmission / gear issue?

Postby Dualing Cubs » Fri Mar 04, 2016 7:31 pm

thanks to everyone that gave me information and offered parts. I want to get this cub back on track as soon as I can so I went ahead and ordered all the parts that I will need . I am listing what I ordered .

can someone chime in and tell me if this is all I would most likely need and if there is anything else you think I should change while in the tractors diff ?


Things I ordered from case/IH :

350 802 R1 - Gasket, Differential Shaft bearing retainer.

ST 364 - Bearing, Differential shaft Ball

381 907 R91 - Seal, Differential shaft pinion oil

385 872 R91 - Seal, Differential shaft inner bearing retainer oil

285 723 R1 which has changed to ( 874 211 44 ) - O-Ring, 3-1/8 x 3-3/8 x 1/8 - Differential bearing retainer

ST 974 which has changed to ( 866 08 990 ) - Bearing , differential shaft inner cup

ST 2 049 which has changed to ( 866 08 991 ) - Bearing Assy. , differential cone


Things I ordered from JP Tractor:

350 800 R2 - Shaft, differential LH 12 teeth

124 552 Key, 3/16 x 1 woodruff NO. 13 - Brake Drum

Pages 29,30,35,36
http://www.farmallcub.com/[ Sorry, direct links to manual section is not allowed. ]/downloa ... %20OCR.pdf



Ok so a couple of things I have thought of since I made this order today. I am going ahead and doubling that order for the right side as well minus the shaft . And I assume I should go ahead and get all the parts for the PTO such as seals and gasket as I will need to take it off to access the inside of the Diff.

I believe I have the parts right for what I need on the PTO and correct me if I'm wrong please :

351 270 R21 - Retainer Assy., Power take off shaft oil seal and bearing . I think I just need the fitting , oil seal and retainer though out of that assembly.

351 258 R2 - Gasket, Power Take-off shaft oil and bearing retainer

350 837 R2 - Gasket, Power Take-off adapter

Page 37-39
http://www.farmallcub.com/[ Sorry, direct links to manual section is not allowed. ]/downloa ... %20OCR.pdf
Josh ..

User avatar
Dualing Cubs
5+ Years
5+ Years
Cub Star!!
Cub Star!!
Posts: 292
Joined: Sat May 21, 2011 9:25 am
Zip Code: 23231
Tractors Owned: 1958,59',48' and 49' Farmall Cubs
Circle of Safety: Y
Location: Richmond. VA

Re: 1958 transmission / gear issue?

Postby Dualing Cubs » Mon Mar 07, 2016 3:25 pm

Today I doubled my above order for the right side as well minus the shaft and also ordered :

126 107 C1 power take off shaft oil seal

351 258 R2 (changed to 351 258 R3) Power take off adapter gasket

350 837 R2 (changed to 351 837 R3) Power take off adapter gasket

ST 225 B (changed to 210 041) power take off shaft bearing

Two break shoes


If anyone has anymore suggestions please let me know .
Josh ..

User avatar
Dualing Cubs
5+ Years
5+ Years
Cub Star!!
Cub Star!!
Posts: 292
Joined: Sat May 21, 2011 9:25 am
Zip Code: 23231
Tractors Owned: 1958,59',48' and 49' Farmall Cubs
Circle of Safety: Y
Location: Richmond. VA

Re: 1958 transmission / gear issue?

Postby Dualing Cubs » Wed Mar 09, 2016 1:47 pm

The guys at JP tractor sent what I needed ! and I got the two generators back that I had rebuilt and they look brand new as well as all the internals being new and regulators. I will post a photo of them later. Next on the agenda is getting the magnetos for the 40's model tractors rebuilt.

image.jpeg
You do not have the required permissions to view the files attached to this post.
Josh ..


Return to “Farmall Cub”

Who is online

Users browsing this forum: cleavens3, Gary Dotson and 4 guests