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The Famous D 21 stories of pulling
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DougG View Drop Down
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Joined: 20 Sep 2009
Location: Mo
Points: 8124 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DougG Quote  Post ReplyReply Direct Link To This Post Topic: The Famous D 21 stories of pulling
    Posted: 15 Oct 2023 at 7:31pm
Been boring on this part of the forum - the D 21 was the perfect setup for tractor pulling - in my opinion with Allis,, whats some good D 21 pulling stories -set ups ,, ??

Edited by DougG - 15 Oct 2023 at 7:32pm
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20723 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 15 Oct 2023 at 11:24pm
The McKinnon brothers from western Illinois, at one time had FOUR D-21 pullers and a 7050 puller.  Don, Herb and Bennie McKinnon.
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Joined: 12 May 2013
Location: Bombay NY
Points: 4698 		Post Options Post Options   Thanks (0) Thanks(0)   Quote WF owner Quote  Post ReplyReply Direct Link To This Post Posted: 16 Oct 2023 at 7:19am
I never saw his tractor in person, but I remember "The Puller" magazine talking about Al Koch's (maybe the first) four turbo setup and they twisted the needle off the boost gauge (at I believe IIRC 200 lbs. of boost).
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20723 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 16 Oct 2023 at 6:26pm
I think Al Koch was the first to blow the cylinder head off the top of the block coming down the track. NTPA used to have a video of it. About jerked Al's arms out of their sockets when the hood left the scene and the steering wheel jerked upwards too.
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