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R Albart 
Bronze Level
Joined: 19 Apr 2011
Location: Missouri
Points: 167
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 Topic: ALLIS-CHALMERS D 21, 7 BOTTOM, ON-LAND SEMI-MOUNT.
Posted: 12 Sep 2017 at 7:28pm |
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DougG
Orange Level
Joined: 20 Sep 2009
Location: Mo
Points: 8320
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Posted: 12 Sep 2017 at 7:42pm |
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A21 with 24.5 32,s could probably handle it, but dam itd be hard on the 3 pt hitch
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jiminnd
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Joined: 16 Sep 2009
Location: Rutland ND
Points: 2295
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Posted: 12 Sep 2017 at 8:01pm |
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I pulled a 7 bottom pull type for a few years with D21 with duals but had it weighted to the hilt, power was ok but hard to get it to the ground.
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1945 C, 1949 WF and WD, 1981 185, 1982 8030, unknown D14(nonrunner)
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rodnil
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Joined: 15 Sep 2009
Location: illinois
Points: 247
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Posted: 12 Sep 2017 at 9:14pm |
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IS IT FOR SALE ?
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Calvin Schmidt
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Joined: 11 Sep 2009
Location: Ontario Can.
Points: 4533
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Posted: 13 Sep 2017 at 6:07am |
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I have a plow like that. I need the extra offset front plate to use it with my 220 with duals because the dual makes contact with the front plow wheel on a right turn. Next year I'll hook it to my 220 fwd with single rears. Model 3000 plow
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Nothing is impossible if it is properly financed
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Tbone95
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Joined: 31 Aug 2012
Location: Michigan
Points: 12139
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Posted: 13 Sep 2017 at 7:08am |
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So what about it? I don't see a D21. Don't see the D21 pulling that plow. Does it? Wouldn't for me!
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Calvin Schmidt
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Location: Ontario Can.
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Posted: 13 Sep 2017 at 8:47am |
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My D-21 would NOT pull that plow around here. Have not tried with my 220 2wd with 20.8 x 38 radial duals weighing 17,300 lbs. I think traction would still be a problem. Best chance for me would be with my 220 fwd with 24.5's but I don't plan on adding extra weights on the rear.
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Nothing is impossible if it is properly financed
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BrianC
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Joined: 16 Jun 2011
Location: New York
Points: 1619
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Posted: 13 Sep 2017 at 8:53am |
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Were semi-mount plows a good idea? I have my doubts.
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R Albart
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Joined: 19 Apr 2011
Location: Missouri
Points: 167
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Posted: 14 Sep 2017 at 8:52pm |
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R Albart
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Joined: 19 Apr 2011
Location: Missouri
Points: 167
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Posted: 14 Sep 2017 at 8:57pm |
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jiminnd
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Location: Rutland ND
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Posted: 14 Sep 2017 at 9:13pm |
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I think when you got that big they were good if on land hitch, would not want an in furrow one that size.
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1945 C, 1949 WF and WD, 1981 185, 1982 8030, unknown D14(nonrunner)
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SLee(IA)
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Joined: 11 Sep 2009
Location: Polk City, Iowa
Points: 269
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Posted: 14 Sep 2017 at 10:05pm |
Traction Booster makes it work.
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CALEBnOK
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Joined: 12 Nov 2011
Location: Oklahoma
Points: 618
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Posted: 18 Sep 2017 at 10:05am |
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Better be easy plowing ground for 7 bottoms. 5 here is loaded hard. Our d21 will pull 6 but it tends to carry the front wheels. We have a starter weight and 4 slabs out front. The rear has big inside and 2 doughnut weights out side
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CAL(KS)
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Joined: 18 Sep 2009
Location: Chapman, KS
Points: 3803
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Posted: 18 Sep 2017 at 10:26am |
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Norm stated in his book that the in furrow plows pulled easier than the on land hitch style. Im on the same page as calebNok, must be easy ground we pull 6-16 with 7080, 6-16 on land with 7580 and its enough.
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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Tbone95
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Joined: 31 Aug 2012
Location: Michigan
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Posted: 18 Sep 2017 at 10:38am |
 BrianC wrote:
Were semi-mount plows a good idea? I have my doubts.
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Well, yes, they are a good idea. I'm not sure what your doubts stem from....But they plow just fine, and one great benefit, if you start getting stuck or hung up some how, you can lift the back end out of the ground with the tailwheel. In other words, can lift the plow more completely out of the ground when you begin to get stuck. Then when the plows get big....like 5+ bottoms, you're not carrying all that weight so far back.
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