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pulling tractors 426
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nickia View Drop Down
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Joined: 11 Sep 2009
Location: alden iowa
Points: 792 		Post Options Post Options   Thanks (0) Thanks(0)   Quote nickia Quote  Post ReplyReply Direct Link To This Post Topic: pulling tractors 426
    Posted: 18 Aug 2022 at 12:29pm
lot of D-21's used for pulling and of course with the 426   is the D-21 lighter than a 7000's series?  I guess what im asking why so many more D-21's used in pulling than the 7000's series with the same engine?  
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injpumpEd View Drop Down
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 5204 		Post Options Post Options   Thanks (0) Thanks(0)   Quote injpumpEd Quote  Post ReplyReply Direct Link To This Post Posted: 18 Aug 2022 at 12:34pm
Lighter weight rear end, and simple gear trans with dry clutch.
210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 22807 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 18 Aug 2022 at 6:11pm
Many years ago, I knew of a D-21 from Nebraska that pulled in 6,000 lbs or a little less. The D-21 had been in the 7200 lb class in the 1970's for a long time and then the Farmall guys started using 706 rear ends to get those 1066's down into that class.
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 18 Aug 2022 at 9:24pm
LOOKS.                      MACK
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AaronSEIA View Drop Down
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Joined: 11 Sep 2009
Location: Mt Pleasant, IA
Points: 2584 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AaronSEIA Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2022 at 5:44am
7000 series is much heavier, far more complicated tranny, wet clutch, etc, etc.
AaronSEIA
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DougG View Drop Down
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Joined: 20 Sep 2009
Location: Mo
Points: 8429 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DougG Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2022 at 9:59am
Some of those guys got pretty innovative -didnt the Mckinnons get help from Allis with their D21 ?
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AC7060IL View Drop Down
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Joined: 19 Aug 2012
Location: central IL
Points: 3670 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AC7060IL Quote  Post ReplyReply Direct Link To This Post Posted: 20 Aug 2022 at 12:26pm
Whichever rearend can sustain a mighty 15 seconds of abuse?
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