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Jim Allen 
Bronze Level
Joined: 02 Jun 2010
Location: NW Ohio
Points: 52
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 Topic: Decoding Later Engine Designations
Posted: 30 Mar 2022 at 8:34am |
Quick question, gents. Is there any rhyme or reason to the A-C engine designations in later years... let's say early '70s.
On the smaller engines, you see four digit model numbers, such as for the legendary 3500.
On the bigger stuff, you see five digits, such as the 11000, 25000 or 65000.
Do these model numbers break down in any useful way?
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Jim Allen
Keeping the Past Alive
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ACjack
Silver Level
Joined: 13 Sep 2014
Location: Peoria, Arizona
Points: 275
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Posted: 30 Mar 2022 at 10:31am |
I don't know the why AC used the nomenclature "Series" in identifying most of their engines. The 11000 was the 516 cid engine with a turbo and 10000 was the same 516 cid but with out the turbo. The next ones were the 844 cid engines starting with the 16000 witch was naturally aspirated, 17000 had the small turbo, 21000 had the big turbo and finally the 25000 had the big turbo and the intercooler. All of the 844 cid engines used the same cylinder block but used slightly different parts due to the horsepower upgrades as you go higher in the series numbers.
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CAL(KS)
Orange Level
Joined: 18 Sep 2009
Location: Chapman, KS
Points: 3786
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Posted: 30 Mar 2022 at 10:44am |
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the 344 lanova engine became the NA direct inject 6000 and turbo 7000
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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DrAllis
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Joined: 12 Sep 2009
Points: 20562
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Posted: 30 Mar 2022 at 5:03pm |
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2000 series had a 2200 (4 cyl gas and deezel) 2400 (4 cyl turbo deezel) 2500 (6 cyl gas) 2800 (6 cyl gas and deezel) 2900 (turbo deezel) and 2950 (turbo intercooled deezel). 3000 series were all deezel with 3400 (no turbo) 3500 (turbo) 3700 (turbo intercooled) 3750 (turbo intercooled counterbalanced crankshaft. Just the "model" alone doesn't indicate what configuration it is. That gets down to the catalog number of which I don't think anyone has the book on those numbers.
Edited by DrAllis - 31 Mar 2022 at 7:29pm
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injpumpEd
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 4918
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Posted: 02 Apr 2022 at 1:16pm |
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the 6000 originated in the HD6, 11000 in the HD11, 16000 in the HD16. There was some rhyme or reason lol!
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 31151
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Posted: 02 Apr 2022 at 5:01pm |
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And the 7000 in the 7G
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