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AllisChalmers37 
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Joined: 11 Jul 2010
Location: London,KY
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 Topic: B vs C vs CA
Posted: 17 Oct 2010 at 10:16pm |
It has always puzzeld me but what are the differences between the B, C, and the CA tractor. I've looked at several up close and even www.tractordata.com seems to point out that they are the same basic tractor with changes in front ends and seats.
I don't have any of the three but me and my friend were hoping you guys could help us out.
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1937 WC, 1950 CA, 1959 D14, 1967 190XT, 2006 Ram 3500
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RyanTN
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Joined: 12 Sep 2009
Location: Stewart Co, TN
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Posted: 17 Oct 2010 at 10:26pm |
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Send me a PM with your email and I will send you a book called "The Little AC's". It explains it all in some detail. Offer goes for anyone.
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morton(pa)
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Location: Lancaster, PA
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Posted: 17 Oct 2010 at 10:55pm |
The simple answer: Yes.
The real correct answer: Yes, but no
The 100% correct answer: Yes, up to a point.
The B and the C are basicly the same tractor, with the B set up as a 1 row tractor and the C being set up as a 2 row tractor. Early B's however have the BE 116 Cubic Inch Engine, while the later B's and (from what I have found and heard) all the C's had the CE 125 Cubic Inch Engine.
The CA was introduced and shared the same CE engine that the later B's and all C's had, but introduced a new transmission that had 4 forward gears, 1 reverse, a new, more powerful hydraulic system, a hand clutch for operation of the roto-baler and other equipment, and a new, redesigned torque tube that had 2 mounting holes in the middle for certain mounted implements. Later B's also featured this new torque tube. The CA also came out with the new traction booster system, and the pin hitch and (later) snap coupler implement mounting systems.
Hope this helps. Any more questions, feel free to ask.
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GregLawlerMinn
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Joined: 11 Sep 2009
Location: Lawler, Mn
Points: 1226
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Posted: 18 Oct 2010 at 8:17am |
The "Little AC's is a good read. Link to an On-Line copy of it is:
One can save a copy to your computor and print it out;
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What this country needs is more unemployed politicians-and lawyers.
Currently have: 1 D14 and a D15S2.
With new owners: 2Bs,9CAs,1WD,2 D12s,5D14s,3D15S2s, 2D17SIVs,D17D,1D19D;1 Unstyled WC
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RyanTN
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Location: Stewart Co, TN
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Posted: 18 Oct 2010 at 9:04am |
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Thanks for posting the link Greg! I couldn't remember where I got it from.
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Dick L
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Joined: 12 Sep 2009
Location: Edon Ohio
Points: 5087
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Posted: 18 Oct 2010 at 9:51am |
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The B being narrower that the C or CA for cultivating one row of a crop where the C was for cultivating two rows of a crop. The B has faster final gears than the C.
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Jeff Z. NY
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Posted: 18 Oct 2010 at 9:55am |
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The CA stands for Cat's A^&.
A really fine tractor.
We used the C for cultivating 70 acres of potatoes for years.
Great two row tractor.
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DennisA (IL)
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Joined: 11 Sep 2009
Location: Ridott IL.
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Posted: 18 Oct 2010 at 10:29am |
If you are looking to buy a "B", "C" or "CA" I would go for the "CA".
The "CA" is more like a small "WD". It has more HP than the "B" & "C", it has the same hydraulic system as the "WD" & "WD-45", 4 forward gears vs. the "B" & "C"s 3 forward gears and the "CA" has the power shift rear wheels.
Also with the "CA"'s redesigned front and torque tube it is easier to mount the equipment.
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Thanks & God Bless
Dennis
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Coke-in-MN
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Location: Afton MN
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Posted: 18 Oct 2010 at 10:41am |
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Thanks for the link to the article , a good read and worth downloading to keep
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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DennisA (IL)
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Posted: 18 Oct 2010 at 11:16am |
I did forget the hand clutch.
The "CA" came 3 ways;
1) with out a hand clutch.
2) with a hand clutch on the right side.
3) with a hand clutch on the left side.
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Thanks & God Bless
Dennis
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Brian Jasper co. Ia
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Posted: 18 Oct 2010 at 11:20am |
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I've heard the CA described as 2/3 of a WD.
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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DennisA (IL)
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Posted: 18 Oct 2010 at 11:42am |
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I enjoy using mine very much. For a small tractor it does everything that I need and want it to do. It can pull a 3-14 8 inchs deep in sod has well as run a #90 All-Crop off the PTO. What more can I ask? For all that know me should be able to tell you that I don't baby my "CA" nor do I abuse it or miss state what I have or can do with my little old "CA".
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Thanks & God Bless
Dennis
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CTuckerNWIL
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Location: NW Illinois
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Posted: 18 Oct 2010 at 12:05pm |
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And how wide is your SC disc Dennis? That little gal pullin' the disc always surprised me.
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DennisA (IL)
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Posted: 18 Oct 2010 at 12:33pm |
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I pull a 9 foot mounted disc.
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Thanks & God Bless
Dennis
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wkpoor
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Posted: 18 Oct 2010 at 5:52pm |
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I have the 8' mounted disc and it pulls with relative ease. Really surprised me the first time I tried it. However those mounted discs IMO are pretty light weight discs.
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DennisA (IL)
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Posted: 18 Oct 2010 at 6:28pm |
You should try the #40 mount disc if you really want some weight
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Thanks & God Bless
Dennis
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DREAM
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Posted: 18 Oct 2010 at 10:01pm |
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I like the duals on there Dennis. Gives her a nice attitude.
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I didn't do it! It was a short, fat, tall, skinny guy that looked like me!
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wkpoor
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Posted: 19 Oct 2010 at 12:26am |
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Is there a video of that CA pulling that disc?
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DennisA (IL)
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Posted: 19 Oct 2010 at 7:58am |
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WKPOOR, I don't know of any video and I think that is the only picture there is as well. The picture was taken at the AC Jamboree in Davis IL at Ted buiskers place. I was discing the ground that was just plowed. I think that was my 2nd pass over the field. If you look real close you can see that the lift chains on the disc are hanging down which means I am letting that disc dig as deep as it wants.
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Thanks & God Bless
Dennis
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GBACBFan
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Posted: 19 Oct 2010 at 5:56pm |
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Thank you Ryan for the heads up on the article, and Greg for the link. I had never seen that before. I've got it now!
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"The trouble with quotes on the Internet is that you can never know if they
are genuine." - Mark Twain
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Florida Ryan
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Posted: 15 Oct 2017 at 1:18pm |
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Is that link still valid? Can't seem to get the article on the little ca's
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wfmurray
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Posted: 15 Oct 2017 at 2:39pm |
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I would like to know more about the fine points of the engine .I got a B and had to file out holes to match manifold , about one fourth inch to get CA carb on. Engine surges at high idle but level of pulling.Adj gov rod and konw rpm are 1650 on a CA. Thank venture is bigger and wonder about in take mainifold.
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RyanTN
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Posted: 15 Oct 2017 at 2:42pm |
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I got a couple of PMs about the little AC book today. I posted about the book seven years ago. I’ll need to dig around some old data sticks to see if I still have it, I’m pretty sure I do.
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steve(ill)
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Posted: 15 Oct 2017 at 3:11pm |
http://www.frontiernet.net/~garosier/Little%20ACs.pdf it is a PDF, not a DOC.
Edited by steve(ill) - 15 Oct 2017 at 3:13pm
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Like them all, but love the "B"s.
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RyanTN
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Posted: 15 Oct 2017 at 3:14pm |
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Good link Steve! I found it in word format and sent it out too.
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Dick L
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Posted: 15 Oct 2017 at 5:12pm |
 wfmurray wrote:
I would like to know more about the fine points of the engine .I got a B and had to file out holes to match manifold , about one fourth inch to get CA carb on. Engine surges at high idle but level of pulling.Adj gov rod and konw rpm are 1650 on a CA. Thank venture is bigger and wonder about in take mainifold. |
For pulling I matched the manifold ports to the head after reaming or boring out the head. What for pistons do you have in the B? There is difference in the manifold and head ports in size from the start in 1938. 
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