Disc for CA?
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=139132
Printed Date: 29 Dec 2025 at 8:10am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Disc for CA?
Posted By: DakotaSteve
Subject: Disc for CA?
Date Posted: 06 Jun 2017 at 11:52am
Would this be an ok match for a CA? I think its an 8' no. 20. Correct me if im wrong... 
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Replies:
Posted By: Leon n/c AR.
Date Posted: 06 Jun 2017 at 11:59am
| A six foot is best from my experience with C or CA. I would say that disc would be good for WD or WD-45 especially in plowed or loose soil. On the CA even with snap coupler I believe you will have tire slippage problems, might work o k with rear duals. Leon |
Posted By: Hubert (Ga)engine7
Date Posted: 06 Jun 2017 at 12:00pm
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With plenty of weight the CA should handle it, the front end may get a little bit light though. ------------- Just an old country boy saved by the grace of God. |
Posted By: DougS
Date Posted: 06 Jun 2017 at 1:18pm
This. We pulled an eight foot disk with a WD and that matched up about right. Weight, especially that far back, will definitely be a front end issue with a CA. If the disc blades are sharp and you're in soft soil you won't be going anywhere. |
Leon n/c AR. wrote:Posted By: Brian F(IL)
Date Posted: 06 Jun 2017 at 1:22pm
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That is a 100 series disc. The 20 series did not have the beaming screw coming up at an angle like the one in the picture does. A 20 series only has a small wing-type screw at the front of the disc that allows you to change the fore/aft pitch only slightly. The 100 series beaming screw affords more adjustment. A CA will have enough power to pull it. But, as others have noted you may need more front-end weights. Duals would be good for the rear in soft plowed ground. Maybe Dennis A. will chime in with a picture of his.
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Posted By: DSpears N IL
Date Posted: 06 Jun 2017 at 1:42pm
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Brian, I think that this is the photo of a CA & duels with his disc that you were refering to! DeWayne  |
Posted By: Brian F(IL)
Date Posted: 06 Jun 2017 at 1:44pm
Yep, that's it. And I believe that is a #40 disc he is pulling. Was that at Ted's AC Jamboree?
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Posted By: PaulB
Date Posted: 06 Jun 2017 at 1:57pm
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That disc can easily be handled by a CA if the hitch is set properly. A maladjusted piece of equipment no matter what it is will be hard to pull and many just think you need a bigger tractor. I have the same disc (28 blades) in a 20 series for my CAs and the only thing is without weights it will get light in the front. ------------- If it was fun to pull in LOW gear, I could have a John Deere. Real pullers don't have speed limits. If you can't make it GO... make it SHINY |
Posted By: DSpears N IL
Date Posted: 06 Jun 2017 at 2:20pm
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Brian! Yes, that was at Ted's AC Jamboree! DeWayne |
Posted By: DakotaSteve
Date Posted: 06 Jun 2017 at 3:32pm
| Does it hurt to weight up the ca quite a bit? |
Posted By: DougS
Date Posted: 06 Jun 2017 at 4:52pm
Watch the front end. Too much weight there can be hard on the spindles if you hit something. |
Posted By: Dick L
Date Posted: 06 Jun 2017 at 5:31pm
This very disc fit hundreds of acres behind a C in the 1940's. If your clever enough to set the disc to soil conditions it will work fine behind a CA. If you think setting it at its widest angle and never look back you probly will need a D 19.
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Posted By: DakotaSteve
Date Posted: 06 Jun 2017 at 6:11pm
| Dick is that the same disc as mine or is yours a 20? |
Posted By: DakotaSteve
Date Posted: 06 Jun 2017 at 6:12pm
| I assume that the 100 series disc came out to be the perfect match for the wd45? |
Posted By: Dick L
Date Posted: 07 Jun 2017 at 6:03am
It is an eight foot Oliver disc. |
Posted By: jaybmiller
Date Posted: 07 Jun 2017 at 6:09am
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OK, I have a 'silly' question.... In the picture the right,outer tire is a different tread pattern than the rest. Does it matter at all that it is NOT the same? Guy up the road has 8 on his HUGE tractor, 2 are 'oddballs'. Just curious..... Jay ------------- 3 D-14s,A-C forklift, B-112 Kubota BX23S lil' TOOT( The Other Orange Tractor) Never burn your bridges, unless you can walk on water |
Posted By: Tbone95
Date Posted: 07 Jun 2017 at 6:41am
You're talking about the rh dual on the tractor? No, it doesn't really matter. I mean, sure, different tire manufacturers tout their claims to fame about ride, footprint, mud cleaning, traction, slippage, wear, yadda yadda yadda.....Short answer, no, it doesn't really matter.
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Posted By: DennisA (IL)
Date Posted: 07 Jun 2017 at 8:39am
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I used the 20 series disc for about 2 years without any added weight on front. It was light and I would steer with the brakes at times but the frontend would stay on the ground. I could not find the Allis side or front wheel weights. So, I made my own weights out of 1-1/4" steel parts that my employer scraped out. All I did was drilled holes in them and bolted them on the front where the cultivator bracket would attach. That added about 150 pounds which made a big difference on steering, no more braking. After about 3 years I made up a set of duels. This really made a difference. Before the duels the "CA" would pull the disc fine but also dig in. It's a little hard to explain. The tires did not "slip" but I could also feel the rear end go down when the disc was lowered. After the duels were added the tractor never had that sinking feeling. It just stood tall and proud as it did it's work. It really feels more like a small "WD" in the field. I had to prove to many people from my family, friends and to everyone on the internet just what a small Allis can do. It was and at times still is an up hill battle to change the mind sets that people have about what can and can't be done. When I first got my "CA" my dad could not figure out why I bought such a small, little, powerless, weak tractor. Then I picked up a 2 bottom plow for it. Oh boy did I hear how that little tractor will never pull 2 bottoms. Now here is where the mind set comes in. My family has been using Allis equipment since 1938 when they bought the first tractor for the farm which was a "WC". As time went on they up graded to the "WD"'s and "WD-45"'s. Because my grandfather did not know how to setup the tractor or plow they only were able to pull a 2 bottom plow behind a "WD-45". Well needless to say that My family was amazed that the "CA" handled that 2 bottom very well. They started to listening to me more but with skepticism. I found a 4 bottom plow for the "WD-45" and got both units setup. Again they were amazed that their "WD-45" was plowing with 4 bottoms. Finally the mind set had been broken and some real growth had begun. Now we pull five bottoms behind the "D-17". Don't think you need more just because others don't know any better. I have never heard Allis over sell a tractor yet. Sorry for the long reply, it turned in to little more than expected. Here's a few more pictures. http://s161.photobucket.com/user/caallis/media/CA%20Working%20Pictures/CAwith8DiscSideView.jpg.html" rel="nofollow">  http://s161.photobucket.com/user/caallis/media/CA%20Working%20Pictures/CA%20with%208_zps3mexnroz.jpg.html" rel="nofollow">  http://s161.photobucket.com/user/caallis/media/CA%20Working%20Pictures/CA%20with%208%20Side_zpsts6qeg42.jpg.html" rel="nofollow">  https://youtu.be/NoTgpV89jOc" rel="nofollow - CA Discing Video ------------- Thanks & God Bless Dennis |
Posted By: DakotaSteve
Date Posted: 07 Jun 2017 at 9:06am
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Wow! Very interesting. Thanks! |
Posted By: Cernunnos
Date Posted: 07 Jun 2017 at 9:06am
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Excellent, detailed description Dennis. Definitely not too long, and well-received by us CA believers. Here, here!! ------------- 1951 CA, 1952 CA with cultivator, 20 Series 8' disc harrow, 2 bottom pick-up plow, forage blower, 2-row rear mounted drill corn planter, Allcrop grain drill, No. 80T sickle mower, MN No. 130 barge box |
Posted By: DennisA (IL)
Date Posted: 08 Jun 2017 at 8:43am
On my "CA" I have factory inner and outer rear wheel weights, factory side flank weights, factory front outer wheel weights and custom made front inner wheel weights (could not find the factory inner front split weights at the time). I would assume that Allis engineers would have designed the "CA" to safely accommodate all the weights Allis offered for the tractor. When you watch the proving grounds film and see that Allis mounted about 7-8 outer rear weights per side and they are bouncing it all around the field and trying to push the front through the mud you should start to understand just how robust the CA is. I can't imagine ever treating a tractor that bad. If it can withstand all that abuse just think how long the CA would last just doing day to day work on a farm. ------------- Thanks & God Bless Dennis |
Posted By: DakotaSteve
Date Posted: 08 Jun 2017 at 9:34am
| Where does a guy see this old film? |
Posted By: DennisA (IL)
Date Posted: 08 Jun 2017 at 10:49pm
Just click on the link below https://youtu.be/Y1UQlkVgNos" rel="nofollow - It's got to be good ------------- Thanks & God Bless Dennis |
Posted By: DakotaSteve
Date Posted: 08 Jun 2017 at 11:02pm
| Wow that was awesome! I enjoyed that. |