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Strange situation about my United tractor
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AC Dom View Drop Down
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Joined: 17 Sep 2022
Location: New York
Points: 36 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AC Dom Quote  Post ReplyReply Direct Link To This Post Topic: Strange situation about my United tractor
    Posted: 03 Sep 2023 at 7:04pm
I have a 1929 United tractor. Recently I had to remove the fuel tank to clean it out. The casting date stamped into the head caught my attention: it was 11-11-28. I know a great source of knowledge for Allis information is the C.H. Wendel Story of Allis Chalmers Book. I call it the Allis Bible. He mentions on page 299 that in 1927 an announcement was made that the 15-25 would be discontinued and replaced in 1929 with a new design, the United. Can someone make light of this head? Was it a leftover from the 15-25's? 
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Alberta Phil View Drop Down
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Joined: 13 Sep 2009
Location: Alberta, Canada
Points: 3772 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Alberta Phil Quote  Post ReplyReply Direct Link To This Post Posted: 03 Sep 2023 at 7:23pm
The 15-25 used a Midwest engine which was an overhead valve design.  The early United and 'U' tractors used a Continental engine which was a sidevalve design with a more or less flat head.
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steelwheelAcjim View Drop Down
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Joined: 06 Dec 2009
Location: Blissfield,Mi
Points: 1257 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steelwheelAcjim Quote  Post ReplyReply Direct Link To This Post Posted: 03 Sep 2023 at 8:09pm
Most likely the Continental S-10 engine was in production before being tapped for the power plant for the United/U Allis'.
Pre-WW2 A-C tractors on steel wheels...because I'm too cheap to buy tires!
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Fred in Pa View Drop Down
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Joined: 13 Sep 2009
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Points: 9210 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Fred in Pa Quote  Post ReplyReply Direct Link To This Post Posted: 04 Sep 2023 at 11:47am
The  L 15-25 n u have Nothing in common  .I had BOTH Tractors  
He who dies with the most toys is,
nonetheless ,still dead.
If all else fails ,Read all that is PRINTED.
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wjohn View Drop Down
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Joined: 19 Jan 2010
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Points: 1986 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wjohn Quote  Post ReplyReply Direct Link To This Post Posted: 04 Sep 2023 at 3:38pm
You're questioning that AC would've cast a batch of heads in late 1928 for their new tractor? Seems pretty likely to me.
1939 B, 1940 B, 1941 WC, 1951 WD, 1952 CA, 1956 WD-45
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