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Model B transmission & differential fluid question |
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waynem
Silver Level Joined: 03 Aug 2011 Location: Milwaukee WI Points: 70 |
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Posted: 24 Aug 2011 at 10:48pm |
I want to change the trans & differential fluid on my 1939 MODEL B what is recommended? I would like to use a modern 85w140 synthetic gear lube is that ok. Do i have to put in a posi traction additive is it a posi traction rear end in there? I have changed the motopr oil & filter & plan on flushing & filling the radiator are there any more fluids I should change or basic maintainance I should do. I dont know the last time anything has been done on my tractor. As always thanks in adsvance for all your help.
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wjohn
Orange Level Joined: 19 Jan 2010 Location: KS Points: 1794 |
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Allis Chalmers called for straight 20 weight non-detergent but I think most guys use hy-tran now. I put 20 weight in my B. If your tractor has hydraulics then the trans/diff oil is where the hydraulic pump draws oil from, which is probably why AC specified a lighter weight oil than typical gear oil.
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1939 B, 1940 B, 1941 WC, 1951 WD, 1952 CA, 1956 WD-45
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waynem
Silver Level Joined: 03 Aug 2011 Location: Milwaukee WI Points: 70 |
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Would that be the same oil that are in the brakes? Is there oil in there I see drain dlugs.
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Charlie175
Orange Level Joined: 11 Sep 2009 Location: Shenandoah, VA Points: 6351 |
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Those are Final Drives, no brakes in there! Use gear oil in the final drives.
Hy-tran is 20 weight if I remember reading right.
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Charlie
'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD |
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