What do I have?
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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=47120
Printed Date: 29 Aug 2025 at 11:32pm
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Topic: What do I have?
Posted By: DonDittmar
Subject: What do I have?
Date Posted: 12 Mar 2012 at 8:28am
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I am working on getting my AC stationary powerplant up and running. I thought it was a model B engine, but the number in the block is CR46664GA.....is this a CA engine designed for gasoline?? Also I thought someone had a chart made that you could identify the year of the engine off this number.....
------------- Experience is a fancy name for past mistakes. "Great moments are born from great opportunity" 1968 D15D,1962 D19D Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start |
Replies:
Posted By: Gary
Date Posted: 12 Mar 2012 at 8:44am
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Don Here is a link to Bryan Smiths website: Gary http://people.clemson.edu/~wsmth/engcast.htm" rel="nofollow - http://people.clemson.edu/~wsmth/engcast.htm
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Posted By: Gary
Date Posted: 12 Mar 2012 at 8:55am
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From Bryans B / C / CA Serial number list your engine appears to be a 1945. Gary http://people.clemson.edu/~wsmth/SNFind/esn_tsn2.htm" rel="nofollow - http://people.clemson.edu/~wsmth/SNFind/esn_tsn2.htm
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Posted By: DonDittmar
Date Posted: 12 Mar 2012 at 8:56am
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So was a correct in assuming it is a gas burning CA engine? Gary, thanks for the link------------- Experience is a fancy name for past mistakes. "Great moments are born from great opportunity" 1968 D15D,1962 D19D Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start |
Posted By: DonDittmar
Date Posted: 12 Mar 2012 at 8:59am
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Well, by Bryan's site it looks to be a 1945 C engine
Thanks again for the link ------------- Experience is a fancy name for past mistakes. "Great moments are born from great opportunity" 1968 D15D,1962 D19D Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start |
Posted By: john(MI)
Date Posted: 12 Mar 2012 at 12:25pm
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Hey Don, What are you going to run with it? ------------- D14, D17, 5020, 612H, CASE 446 |
Posted By: DonDittmar
Date Posted: 12 Mar 2012 at 2:00pm
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My air compressor. Tired of tieing up a tractor when I want to sandblast so I am going to switch it over and run it with the C engine ------------- Experience is a fancy name for past mistakes. "Great moments are born from great opportunity" 1968 D15D,1962 D19D Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start |
Posted By: john(MI)
Date Posted: 12 Mar 2012 at 2:11pm
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I was thinking along that line. I was also thinking maybe belt a generator to it somehow? ------------- D14, D17, 5020, 612H, CASE 446 |
Posted By: DonDittmar
Date Posted: 12 Mar 2012 at 2:30pm
If you were camping you could belt a BIG alternator to it and use a DC power set-up type of thing. Thats what we do with our pop-up when attending tractor shows. Pop-up plugs into 2 deep cycle batteries that are in a box I built. We have a 10SI alternator belted to a 5HP Briggs....which is attaced to an old lawn edger. When the batteries get low just fir up the "law edger" and charge up the batteries. ------------- Experience is a fancy name for past mistakes. "Great moments are born from great opportunity" 1968 D15D,1962 D19D Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start |
john(MI) wrote:Posted By: CTuckerNWIL
Date Posted: 12 Mar 2012 at 2:51pm
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Don, Early B's had the BE engine. Later B's and all C's and CA's had a CE engine. I think the CR had something a little different for the power units used on combines and as portable power units. Seems the CR might have been used in the RC but I might be mistaken. I'm sure there will be somebody jump in with more or better information. ------------- http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF |
Posted By: MNLonnie
Date Posted: 12 Mar 2012 at 3:26pm
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The CR is for power units and I don't know of any serial # list to find out what year it is. ------------- Waukesha B, B, IB, G, styled WF, D15, 615 backhoe, 2-Oliver OC3's, 4 Ford Model T's, 3 Model A Fords, AV8 Coupe, AV8 Roadster, 1933 Ford Wrecker |
Posted By: Darrell, Jr. (MN)
Date Posted: 12 Mar 2012 at 7:14pm
| we also have a engine that was a combine power unit and it also has the CR prefix. |
Posted By: Ted J
Date Posted: 12 Mar 2012 at 9:24pm
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My 1941 C has an engine with a serial # R 16312 G. I don't know where that came from either. As far as I was told, there is no way to find out.
------------- "Allis-Express" 19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17 |
Posted By: MNLonnie
Date Posted: 12 Mar 2012 at 9:35pm
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I think the R prefix can be either an RC motor or a power unit. ------------- Waukesha B, B, IB, G, styled WF, D15, 615 backhoe, 2-Oliver OC3's, 4 Ford Model T's, 3 Model A Fords, AV8 Coupe, AV8 Roadster, 1933 Ford Wrecker |
Posted By: Chalmersbob
Date Posted: 12 Mar 2012 at 10:52pm
| I think the R engine was used on the RC tractor and the CR engine was a Power Unit engine used on combines and balers. The ones used on combines had a shorter spring on the govenor, and run at 1900 RPM. These have a gear box on the Rockford clutch housing. I bought one with a straight shaft coming out of a Rockford clutch unit, also fitted for a starter. and it had the standard tractor spring on the govenor. Bob |
Posted By: Ken in Texas
Date Posted: 13 Mar 2012 at 7:00am
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on page 4 of my Parts Manual AC-P-B-C under the heading
Engines
CR- Prefixed number (3 3/8" bore, 1900 r.p.m. ) used in :
60H Gasoline Power Unit PU53977-B and up
60H Low octane Fuel Power Unit PU-55480-B and up
There must be a power unit serial number somewhere on your unit
Also noted is R prefix engines were used in 60H Gas power units prior to PU-53977-B
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Posted By: DonDittmar
Date Posted: 13 Mar 2012 at 7:22am
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Thanks Ken
Maybe there is a tag on the clutch housing, I guess I never looked. The rad shroud has a CA decal on it, but I guess that dont mean anything
There is no gearbox on my clutch housing, straight shaft.
My enigne came from a sawmill ------------- Experience is a fancy name for past mistakes. "Great moments are born from great opportunity" 1968 D15D,1962 D19D Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start |
Posted By: DonDittmar
Date Posted: 13 Mar 2012 at 7:27am
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Also, I need a starter. The ring gear is on the flywheel, but it was set up as a hand crank as there is a plug in the starter hole and I want to change that. Will a B starter work? ------------- Experience is a fancy name for past mistakes. "Great moments are born from great opportunity" 1968 D15D,1962 D19D Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start |