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Do I have a CA Disc Here? Measurement Request
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DakotaSteve View Drop Down
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Joined: 26 Apr 2017
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Points: 717 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DakotaSteve Quote  Post ReplyReply Direct Link To This Post Topic: Do I have a CA Disc Here? Measurement Request
    Posted: 12 Aug 2017 at 7:44pm
20" cut away discs in front...18" in rear...spacers in frame on front gang per manual....but the manual doesnt tell u where to measure from for width confirmation or snap coupler tounge length....anyone help me out? Im pretty sure its either the 5.5' or 7' CA disc. Thank you.

Edited by DakotaSteve - 13 Aug 2017 at 3:55pm
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DennisA (IL) View Drop Down
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Joined: 11 Sep 2009
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Points: 2075 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DennisA (IL) Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 2017 at 8:06pm
Sure looks like one to me.
Thanks & God Bless

Dennis
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DakotaSteve View Drop Down
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Points: 717 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DakotaSteve Quote  Post ReplyReply Direct Link To This Post Posted: 12 Aug 2017 at 10:51pm
Thanks Dennis. Il catch up w ya tmrw btw.
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DakotaSteve View Drop Down
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Points: 717 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DakotaSteve Quote  Post ReplyReply Direct Link To This Post Posted: 13 Aug 2017 at 4:02pm
Could domeone with a true 7' mounted CA disc please take a hitch length measurement for me between these 2 points? Id sure appreciate it. The reason id like the measurement taken out to the flat steel is then it shouldnt matter if its pin or snap style.
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DennisA (IL) View Drop Down
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Points: 2075 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DennisA (IL) Quote  Post ReplyReply Direct Link To This Post Posted: 14 Aug 2017 at 1:01pm
Steve, I measured my WD disc from the main frame to the end of the snap-coupler loop. The measurement was 46".
All the #20 disc's used the same drawbar so the measurement will not help your cause.
The best way is to count the coulters on the back gang.
5-1/2' will have 6 per side.
6-1/2' will have 7 per side
The 5-1/2' & 6-1/2' both have spacers between the spools. The 7' & 8' don't
7' will have 7 per side
8' will have 8 per side

Allis only made these 4 disc sizes in the 20 series.

Edited by DennisA (IL) - 14 Aug 2017 at 1:49pm
Thanks & God Bless

Dennis
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DennisA (IL) View Drop Down
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Joined: 11 Sep 2009
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Points: 2075 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DennisA (IL) Quote  Post ReplyReply Direct Link To This Post Posted: 14 Aug 2017 at 1:53pm
Can you post a good picture of just the spools between the coulters?
Thanks & God Bless

Dennis
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DennisA (IL) View Drop Down
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Points: 2075 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DennisA (IL) Quote  Post ReplyReply Direct Link To This Post Posted: 15 Aug 2017 at 12:34am

According to the Allis Dealer Parts Book of 1961, only the 5-1/2' & 6-1/2' CA disc had the spacer between the spools as pictured.

The front gang with 5 disc's per side would make this a 5-1/2' disc.

The back gangs with 6 disc's per side would make this a 5-1/2' disc.

Nice setup Steve & a great find.
Thanks & God Bless

Dennis
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DakotaSteve View Drop Down
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Points: 717 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DakotaSteve Quote  Post ReplyReply Direct Link To This Post Posted: 15 Aug 2017 at 8:21am
Thanks alot for all the research. This should help anyone who is looking to sort out what they have! Very cool.
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Steve A View Drop Down
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Points: 257 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Steve A Quote  Post ReplyReply Direct Link To This Post Posted: 15 Aug 2017 at 12:00pm
I'll add my thanks as well. I purchased what I now know is a model 20 a couple weeks ago to use with my WD's. Evidently I have a 7 ft one (thought it was 8 by measuring, but doesn't really matter) and keys out the WD, as it does not have the spacers. I have been looking for one for several years. Freed it all up, but haven't used it yet. I'm curious to see how it does.
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Points: 717 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DakotaSteve Quote  Post ReplyReply Direct Link To This Post Posted: 15 Aug 2017 at 10:19pm
Very cool Steve post a couple pics if u get time.
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