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WTS: 1979 Bombi

radar,your bombi looks like a good one, sounds like you gave it alot of tlc! What was the correct fluid you got to put in the diff ??
 
I used Transhydraulic fluid. Caterpillar sells different weights of this style of fluid under their TDTO series of oils. When I rebuilt the diff I filled the case with the costly TDTO oil and was very pleased with the turning performance of the machine. I did not have the case top properly sealed and water found it's way into the diff case after one use. So after it's first use (1 hour) I drained the TDTO oil, flushed the entire diff case, cooler and cooler lines and resealed the diff cover top, problem solved. For the 2nd fill I went with the less costly Transhydraulic fluid available at farm supply stores and tractor dealers. John Deere, Case etc. have the same oils available.

Radar
 
Radar4xfour said:
I used Transhydraulic fluid. Caterpillar sells different weights of this style of fluid under their TDTO series of oils. When I rebuilt the diff I filled the case with the costly TDTO oil and was very pleased with the turning performance of the machine. I did not have the case top properly sealed and water found it's way into the diff case after one use. So after it's first use (1 hour) I drained the TDTO oil, flushed the entire diff case, cooler and cooler lines and resealed the diff cover top, problem solved. For the 2nd fill I went with the less costly Transhydraulic fluid available at farm supply stores and tractor dealers. John Deere, Case etc. have the same oils available.

Radar
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Hey Radar, I know this is an old thread, but figured it was worth a shot, how did you finally end up sealing the diff case that worked well?
 
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