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Allis Chalmers Discussion Forum

Allis B and C differential

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larry driskell

02-08-2011 14:49:01

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Can some one tell me for sure that the differential( ring gear) for the B and C are the same. thanks for your help .

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02-09-2011 09:58:36

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 Re: Allis B and C differential in reply to larry driskell, 02-08-2011 14:49:01  
The B & C do use different ring & pinion sets. The C is geared slightly lower. I would think that you could install a complete ring & pinnion gear set from one into the other though.

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Dick L

02-09-2011 16:47:49

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 Re: Allis B and C differential in reply to kip-utah, 02-09-2011 09:58:36  
Naw, the transmissions are the same the different gearing is in the final drive bull gear and pinion gear. The only difference in the transmissions will be the hand stamped serial numbers. I have two C transmissions and a B transmission in pieces on my shop floor. Be glad to snap pictures of any parts you might want to compare.

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larry Driskell

02-11-2011 18:02:45

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 Re: Allis B and C differential in reply to Dick L, 02-09-2011 16:47:49  
thanks guys, I bought a differential on Ebay that came from a B so I guess I will know if it will fit my C when I get it.
according to my parts book they are the same.

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02-08-2011 15:50:37

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 Re: Allis B and C differential in reply to larry driskell, 02-08-2011 14:49:01  
the B and C share exactly the same motor, radiator, clutch, transmission, differential, pto and hydraulics... the DIFFERENCE is the final drive cases that bolt to the differential or trans case. The C has each housing about 6 inches wider with different gears and shaft inside.

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Bob Bancroft

02-08-2011 15:05:07

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 Re: Allis B and C differential in reply to larry driskell, 02-08-2011 14:49:01  
Go to AGCO parts and you can look it up.

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