Allis G Crankshaft diameter
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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=135176
Printed Date: 07 Nov 2025 at 8:03am
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Topic: Allis G Crankshaft diameter
Posted By: JaredM
Subject: Allis G Crankshaft diameter
Date Posted: 17 Feb 2017 at 11:03am
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I am looking at getting an aftermarket hydraulic pump for the G tractor. I may have found a way to do it, but I need to know the crank diameter. I am looking at getting a keyed shaft coupler either bought or made to go from crankshaft to pump. Any help is appreciated. Thanks, |
Replies:
Posted By: wbecker
Date Posted: 17 Feb 2017 at 7:25pm
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Crankshaft journal diameter is 2". ------------- Allis B, IB, Low B, G, D10, JD M, 8KCAB, C152 |
Posted By: K-Mo
Date Posted: 18 Feb 2017 at 5:49am
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The diameter of the keyed portion (where the pulley mounts) is 1-1/4". I'm not picturing what yo are trying to do. I assume you are trying to drive the pump at the pulley end of the crankshaft. Many pumps drive off an adapter bolted to the crankshaft pulley. There are already two tapped holes in the pulley. May need to machine the pulley face to true it up, but would it be possible bolt an adapter to the pulley? Need some flexibility in the drive line. Maybe a LoveJoy coupler. Anything other than a ridged coupling. Be interested in what you end up with. Kent |
Posted By: K-Mo
Date Posted: 19 Feb 2017 at 11:16am
Here's a picture of pump installed on an N62 in a Towmotor forklift. |