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IB

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=103143
Printed Date: 09 Sep 2025 at 11:57am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: IB

Posted By: Ted in NE-OH
Subject: IB
Date Posted: 12 Mar 2015 at 2:54pm

Is the gearing any different in an IB than a standard B or C. Any faster or slower?

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CA, WD, C, 3 Bs, 2 Gs, WC, I-400, 914

Replies:

Posted By: CrestonM
Date Posted: 12 Mar 2015 at 3:16pm

I believe the transmission ratios are the same. Since the IB lacks the drop boxes of the B and C there might be a difference there, but I'm not sure.
Tractordata.com says the B and IB have the same speeds.

Posted By: MNLonnie
Date Posted: 12 Mar 2015 at 5:38pm

The IB has the final drives, same as a B or C, they are just rotated 90 degrees forward.

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Waukesha B, B, IB, G, styled WF, D15, 615 backhoe, 2-Oliver OC3's, 4 Ford Model T's, 3 Model A Fords, AV8 Coupe, AV8 Roadster, 1933 Ford Wrecker

Posted By: wbecker
Date Posted: 12 Mar 2015 at 7:28pm

No difference.

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Allis B, IB, Low B, G, D10, JD M, 8KCAB, C152