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AaronSEIA 
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Joined: 11 Sep 2009
Location: Mt Pleasant, IA
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 Topic: B/C PTO...Ran What?
Posted: 16 Apr 2017 at 5:54am |
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My boy asked me last night about the smaller PTO shaft on his C. Other than the mounted sickle mower, what did AC or other companies make that used the smaller shaft? Could a 40 or 60 combine be had with it? When did 1 3/8 become the standard for 540 PTO?
AaronSEIA
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PaulB
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
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Posted: 16 Apr 2017 at 7:45am |
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The 40 combine were made just for the B & C tractors. also you can put an adapter on the small PTO and run anything you want.
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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
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Michael V (NM)
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Joined: 12 Sep 2009
Location: NM
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Posted: 16 Apr 2017 at 8:19am |
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'N' fords had the small PTO also...
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steelwheelAcjim
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Posted: 16 Apr 2017 at 9:16am |
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Most tractors eventually switched to the 1 3/8 PTO. Ford was the biggest straggler, using the small PTO through the 9 and 8N's well into the Jubilee's and early 800's.
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Pre-WW2 A-C tractors on steel wheels...because I'm too cheap to buy tires!
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rpropst
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Location: NC
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Posted: 16 Apr 2017 at 9:49am |
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Allis Chalmers B's went to 1 3/8 in 1951. All the CA's were 1 3/8s. Most tractors were 1 3/8s by the early to mid fifties. I have a 1950B with a 1 1/8 pto and two 1952 models with 1 3/8s.
Edited by rpropst - 16 Apr 2017 at 9:50am
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1950 snap coupler B 1948 WD 1951Ca 1952B 1952adjustable axel B
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Dakota Dave
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Location: ND
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Posted: 16 Apr 2017 at 10:56am |
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We ran a sickle mower and a hammer mill on our C when I was a kid. We also baled with it once using a stamped steel adapter when the WD was broke and the hay needed to be baled. I still have the pto shafts end that was on my erskine snow blower that had the 1 1/8th shafts when I got it
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acd17toy
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Location: USA
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Posted: 16 Apr 2017 at 7:25pm |
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My 1950 B has the 1-3/8" pto shaft.
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CrestonM
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Posted: 16 Apr 2017 at 8:03pm |
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I've wondered that often as well. My 8N and B both have the small shaft, and the B has the sickle mower drive sheave that fits on the small shaft, but I've never seen any other implements with the small shaft fitting.
Edited by CrestonM - 16 Apr 2017 at 8:03pm
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dt1050
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Joined: 05 Jul 2011
Location: central pa
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Posted: 17 Apr 2017 at 4:12am |
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my new holland 66's drive shaft fit the smaller pto. but I'm guessing somebody made it that way since the motor to run the baler was gone and it was converted to run off a tractor. everything else had the larger pto.
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Just cause it's orange don't make it a tractor, there's only one..Allis Chalmers
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B26240
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Location: mn
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Posted: 17 Apr 2017 at 6:13am |
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I have an early H Farmall in the junk pile with the small pto shaft.
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Bill Long
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Posted: 17 Apr 2017 at 1:55pm |
For years we used the sleve over the 1 1/8" shaft to adapt it to 1 3/8". Usually this solved the problem. However, under heavy use the sleve (?) would shatter. In that case we would change out the PTO for a PTO with the larger 1 3/8" shaft for safety. Good Luck! Bill Long
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AaronSEIA
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Location: Mt Pleasant, IA
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Posted: 17 Apr 2017 at 7:01pm |
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I know about the sleeve. Currently have one on the C now. I'm more curious about what AC made for the small shaft other than the 40 combine. Or would it have been more 3rd party equipment makers selling stuff?
AaronSEIA
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ac fleet
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Posted: 17 Apr 2017 at 9:01pm |
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Older John Deere a and b had small pto.---Dad always got the adapter sleves at TSC, when they were a tractor store! thanks; ac fleet
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