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B Model PTO
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AlaskaFarmer View Drop Down
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Joined: 11 Nov 2020
Location: Alaska
Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AlaskaFarmer Quote  Post ReplyReply Direct Link To This Post Topic: B Model PTO
    Posted: 11 Nov 2020 at 1:34pm
I just got a PTO for my B Model.  

I was under the impression that it ran off the rear differential.  I though the tractor had to be moving for the PTO to turn.

I just saw a video of the PTO running while the tractor was in neutral.   I have not installed mine yet.  Is this possible or was there something else going on?

Thanks
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Kiwi View Drop Down
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Joined: 23 Jan 2018
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Points: 390 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Kiwi Quote  Post ReplyReply Direct Link To This Post Posted: 11 Nov 2020 at 1:47pm
Hi the PTO will run when the tractor is in neutral and when the tractor is moving the PTO will stop when you put your foot on the clutch the PTO on the allis B is not a live drive PTO 
Tractors Allis EB,two C,diesel G
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AlaskaFarmer View Drop Down
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Joined: 11 Nov 2020
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Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AlaskaFarmer Quote  Post ReplyReply Direct Link To This Post Posted: 11 Nov 2020 at 3:23pm
Thanks, that answers my question.  I was told it was hooked into the final drive, that made no sense. I don't have anything that uses PTO, but having it on the tractor is a start.
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Alberta Phil View Drop Down
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Joined: 13 Sep 2009
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Points: 3888 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Alberta Phil Quote  Post ReplyReply Direct Link To This Post Posted: 11 Nov 2020 at 5:35pm
And a warm welcome to the Forum.  You'll find lots of help here on the best A.C. site on the net!
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
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Points: 85960 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 11 Nov 2020 at 5:47pm
The TOP SHAFT in the transmission is connected to the motor clutch..it runs all the way thru the transmission to the PTO ..... When the MOTOR is running and your FOOT is off the clutch, the PTO turns... ( assuming you have the PTO lever engaged) .. You can be in neutral or in any gear.

Edited by steve(ill) - 11 Nov 2020 at 5:49pm
Like them all, but love the "B"s.
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Bill Long View Drop Down
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Joined: 12 Sep 2009
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Points: 4556 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Bill Long Quote  Post ReplyReply Direct Link To This Post Posted: 11 Nov 2020 at 9:14pm
Welcome to the form.  Delighted to have another member from New Zealand.  Many years ago - in the late 90's - I became familiar with a form member from New Zealand.  He sent me an orange Allis Chalmers cap with New Zealand embroidered above the adjusting strap from an Allis Chalmers show he had.  This cap has been proudly displayed in my office ever since I received it.  
Also, you have obtained my favorite Allis Chalmers tractor, the B.  With my father, who was an Allis Chalmers dealer we sold the B for the life of the unit. Thank you for keeping the name alive.
You will find this form to be very helpful.  Any questions you have do not hesitate to ask.
Good Luck!
Bill Long



Edited by Bill Long - 11 Nov 2020 at 9:15pm
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todmac View Drop Down
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Points: 4 		Post Options Post Options   Thanks (0) Thanks(0)   Quote todmac Quote  Post ReplyReply Direct Link To This Post Posted: 23 Dec 2020 at 5:44pm
"the PTO will run when the tractor is in neutral and when the tractor is moving the PTO will stop when you put your foot on the clutch the PTO on the allis B is not a live drive PTO" so a live drive is; once engaged, will always run until a lever disengages it? no matter if it's in gear driving, in neutral idling or running with the clutch in and in gear? 

Hello
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todmac View Drop Down
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Joined: 21 Dec 2020
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Points: 4 		Post Options Post Options   Thanks (0) Thanks(0)   Quote todmac Quote  Post ReplyReply Direct Link To This Post Posted: 23 Dec 2020 at 5:49pm
Oops, my question follows the quoted question from above. New to this and recently acquired a "B" and a WD45
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steve(ill) View Drop Down
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Points: 85960 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 23 Dec 2020 at 7:45pm
LIVE means if the motor is running and the lever is engaged, the PTO is running... even if you push the motor clutch in.  Clutch and transmission are not part of the  PTO drive.

Older version like the B.. main clutch has to be engaged , THRU the transmission to the PTO and the PTO lever has to be engaged.. Transmission can be in gear or neutral.. BUT the MAIN CLUTCH has to be engaged ( foot off the pedal).
Like them all, but love the "B"s.
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AaronSEIA View Drop Down
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Joined: 11 Sep 2009
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Points: 2564 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AaronSEIA Quote  Post ReplyReply Direct Link To This Post Posted: 24 Dec 2020 at 5:43am
Originally posted by steve(ill) steve(ill) wrote:

LIVE means if the motor is running and the lever is engaged, the PTO is running... even if you push the motor clutch in.  Clutch and transmission are not part of the  PTO drive.

Older version like the B.. main clutch has to be engaged , THRU the transmission to the PTO and the PTO lever has to be engaged.. Transmission can be in gear or neutral.. BUT the MAIN CLUTCH has to be engaged ( foot off the pedal).


I've always assumed that "Live" was separate from tractor motion.  Independent is separate control from the transmission clutch IE: the PTO has it's own actual clutch.
AaronSEIA
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