Early Styled B Brakes

Anonymous-0 · Aug 20, 2014

I recently removed the drums from an early B and found two long shoe linings on the left side and two short linings on the right side. The right side casting was broken so another one was found in a Minnesota salvage yard. This one also had two short linings. Is this correct?

Second question: Late B and 50 linings with eight rivet holes are readily available. Is there any reason to trim them to the short length since full length linings were used on later tractors?

Thanks for any help.

Mike M · Aug 20, 2014

Well on I think it was my 1945 B I used the longer linings and drilled extra holes and riveted it all up.
Upon trying to install the drum it would not go on properly. So out came the hacksaw and I had to trim those linings back short again !
The JD parts books should clearly show which ones used what. I suggest to follow what it says.

JRSutton · Aug 20, 2014

I'm a little confused by your question.

You CAN get the proper linings. If you need 6 rivet linings, you don't have to adapt the 8 rivet ones.

I believe you can even get them right here on this site.
proper linings

JRSutton · Aug 20, 2014

by the way - to put the rivets in, if you don't want to spend $40 for the punch kit -

Transfer punches work well. put one flat side up in a vice to support the flat side of the rivet - then use one pointy side down to drive the rivet and curl it over.

If you don't own any - you can get them for about $10 at harbor freight.

Just be careful to keep the punches straight in line. Those linings break VERY easily!
transfer punches

Mike M · Aug 20, 2014

I know what you mean about the linings cracking !
I even have an old foot operated riveter and still have that happen sometimes. These new linings are not as tough as the old ones. Must of been the asbestos that made them so good !

James Howell · Aug 20, 2014

Take a look at the parts diagram below.

Note that the brake shoe (Key 6) AB 279 R is for tractors up to serial number 200999.

Note that the brake shoe changed during 1947 to AB 3833 R for tractors with serial numbers 2001000 and above.

The brake lining (Key 14) AB 3848 R has 6 holes and is for tractors up to serial number 200999.

The brake lining AB 3849 R has 8 holes and is for tractors with serial numbers 201000 and above.

Take a look at the photos below of the brake shoes and brake linings on "Uncle Earl" our 39B.

These late B brake shoes and linings did not need "fitting" in the 39-40 brake drum.

Hope this helps.

Anonymous-0 · Aug 20, 2014

James: I knew the very early styled tractors had many similarities to the unstyled but was not aware the brakes were the same until I checked the parts books for both. The tractor I am working on is a 1943. Thanks for the post.

James Howell · Aug 20, 2014

The brake linings were replaced on "John B" our 43B very shortly after we brought it home from Kansas.

The left brake "locked up" while backing off the trailer.

The front end swung around to the right and rolled down the ramp.

The left back wheel fell about two feet off the trailer.

It was an exciting ride.

Brakes work very good now on "<a href="http://youtu.be/WEKes6liznk?list=PLCUEeGboEbi_N8yZD6l5CIS4t2dbHK28F">John B</a>".

Early Styled B Brakes

Anonymous-0

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Mike M

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JRSutton

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JRSutton

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Mike M

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James Howell

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Anonymous-0

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James Howell

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