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Rear Diff On My 59'


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#1 Bob 537 OFFLINE  

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Posted June 08, 2012 - 08:59 PM

after riding my tractor i notice the rear diff fluid weeping out the (weep hole?) what is the cause or reason for this?

#2 Ryan313 OFFLINE  

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Posted June 08, 2012 - 09:09 PM

Welcome to the site Bob! Thank you for joining! The differential could be over full of fluid. The transmissions used in these tractors can have problems. One of the problems is that water can run right down the shift lever straight into the gear case. They also are not sealed so if they get over full the fluid runs down the drive tube and into your differential. Causing that to be over filled. Most of the time when the differential gets over filled the fluid drains into the final drives where it eventually leaks out when those get over filled.
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#3 Bob 537 OFFLINE  

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Posted June 08, 2012 - 09:13 PM

ill have to change the fluid soon my tractor has been sitting in a storage trailer since like 98 and i just picked it up about 3 weeks ago

#4 Ryan313 OFFLINE  

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Posted June 08, 2012 - 09:32 PM

If its been sitting then a complete fluid change of everything is probably one of the first things you should do.

#5 Alc ONLINE  

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Posted June 08, 2012 - 10:00 PM

Welcome Bob to GTtalk , hope you enjoy your time here as much as I do . Great people and are always ready to help , Al
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#6 KennyP OFFLINE  

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Posted June 09, 2012 - 12:04 AM

Welcome to the forum, Bob! Sounds like you have some good info coming your way already. Have a great time here!
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#7 Alc ONLINE  

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Posted June 09, 2012 - 05:16 AM

Adding to what Ryan said about the transmission draining back into the rear through the driveshaft tube . They only want you to fill it with gear oil to 1" below the fill plug. Kind of hard to measure other then a bent wire .You don't want to overfill it when your doing the fluid change , Al
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#8 Ryan313 OFFLINE  

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Posted June 09, 2012 - 09:33 AM

Adding to what Ryan said about the transmission draining back into the rear through the driveshaft tube . They only want you to fill it with gear oil to 1" below the fill plug. Kind of hard to measure other then a bent wire .You don't want to overfill it when your doing the fluid change , Al


Being a '59 this MIGHT have a "banjo style" ford differential in it. I dont know the exact year they went to the DANA rears. If it's a ford rear then the "1 inch below the fill plug" rule may not apply to him.

Bob, do you know what differential it has? If it looks like the one in the pic below it has the ford rear in it.

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#9 Bob 537 OFFLINE  

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Posted June 09, 2012 - 04:45 PM

Ryan
hey are pics of my set up

how do i add a pic :mad2:

Edited by Bob 537, June 09, 2012 - 05:09 PM.


#10 Bob 537 OFFLINE  

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Posted June 09, 2012 - 05:11 PM

DSC06519.JPG

#11 Ryan313 OFFLINE  

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Posted June 09, 2012 - 07:13 PM

You have the older style of the two DANA rears that were used. Off of memory I think it holds 1/2 pint of gear oil. Don't hold me to it though. I will look for you.
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#12 Bob 537 OFFLINE  

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Posted June 09, 2012 - 07:35 PM

Ryan

what can you tell me about my gear box

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#13 Ryan313 OFFLINE  

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Posted June 09, 2012 - 08:08 PM

Ryan

what can you tell me about my gear box


I assume you are talking about the transmission being that is what the pic is directed towards?

It's a T-92 borg warner transmission. It very durable but does have some weaknesses. It is not well sealed and water runs down the shifter rod and into the gear case. If you have to much water in it when it freezes it will expand and crack the case.

Third gear is a 1:1 ratio so it is a direct coupler when it is in third gear. First gear and reverse have the same gear ratio, it just spins the opposite direction in reverse, I don't remember the ratio off hand and then second gear is someplace between first and second.

On the end of the shifter there is a button that pushes the shift forks around and after years of shifting the button wears and gets out of shape. When it gets out of shape enough it will slip between the rods the shift forks are on and jam. To unjam it you have to take the cover off the top and reset everything. To fix the shifter button you can weld it up and grind it back into shape. I recommend you do it before it jams when you are trying to do something and are stopped by something simple. I have done four so far and its not as hard as you may think. I posted a link below that tells you how to fix the shifter button.
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#14 Alc ONLINE  

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Posted June 09, 2012 - 10:38 PM

Sorry for the confusion about the 1" below the fill plug , that is for the transmission if you try to fill it until it runs out the fill plug it will just keep draining back into the rear over time , take a guess when I read the owners manual about that :blush2: Al

Edited by Alc, June 09, 2012 - 10:39 PM.





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