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D12 Engine serial number |
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Ken McBride
Bronze Level Joined: 27 Jun 2015 Location: blairsville ga Points: 20 |
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Posted: 28 Jun 2015 at 12:28pm |
I've purchased an Allis Chalmers D12 Serial Number 3249, which makes it a 1961 year model.
I'm trying to determine the engine serial number. On the engine block (on the left side) next to the tractor serial number it is stamped with 12-1817R. On the engine block (on the right side) it has raised casting numbers AM 4902-1. From information I've gathered neither of these numbers matches the possible engine serial numbers. Does anyone know whether either number would be the engine serial number or am I looking in the wrong location for the engine serial number? Thanks |
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Calvin Schmidt
Orange Level Joined: 11 Sep 2009 Location: Ontario Can. Points: 4515 |
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The number on the left side next to the tractor serial number on the torque tube is the engine serial. 12 designates the engine displacement 12= 149 cu.in. 10= 138 cu.in. 14 = 160 cu.in. Lots of guys thought they had a D-12 engine in a later D-10. The rest of the number would be the serial number of the engine. If someone has more info please correct me.
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Gary
Orange Level Access Joined: 13 Sep 2009 Location: Peterborough,On Points: 5173 |
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The 12-1817 R would be the Engine Serial, located at that location. My Ser.III Ser. D-12 9423 has engine Ser. 12-5622 R Tractor and Engine Serials are not numerically close because the 149 started use in 1957 in D-14's. Gary |
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DiyDave
Orange Level Access Joined: 11 Sep 2009 Location: Gambrills, MD Points: 50551 |
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Starting with series II tractors, 10's and 12's had 149 ci engines. D-14's had 149 ci engines, all throughout. D-15's had the 149, in the earlier version, and higher compression, and speed. Series II d-15's had 160 ci engine. All of this comes from norm's book...
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