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Allis G Crankshaft diameter
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JaredM View Drop Down
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Joined: 02 Oct 2014
Location: Texas
Points: 46 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JaredM Quote  Post ReplyReply Direct Link To This Post Topic: Allis G Crankshaft diameter
    Posted: 17 Feb 2017 at 11:03am
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,
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wbecker View Drop Down
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Joined: 29 Oct 2009
Location: STL
Points: 837 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wbecker Quote  Post ReplyReply Direct Link To This Post Posted: 17 Feb 2017 at 7:25pm
Crankshaft journal diameter is 2".
Allis B, IB, Low B, G, D10, JD M, 8KCAB, C152
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K-Mo View Drop Down
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Joined: 09 Feb 2013
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Points: 91 		Post Options Post Options   Thanks (0) Thanks(0)   Quote K-Mo Quote  Post ReplyReply Direct Link To This Post Posted: 18 Feb 2017 at 5:49am
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
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K-Mo View Drop Down
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Joined: 09 Feb 2013
Location: Atlantic, IA
Points: 91 		Post Options Post Options   Thanks (0) Thanks(0)   Quote K-Mo Quote  Post ReplyReply Direct Link To This Post Posted: 19 Feb 2017 at 11:16am
Here's a picture of pump installed on an N62 in a Towmotor forklift.
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