This page details engine serial number location, dates, and identification for Ford-Köln Model A, B, and G28T type engines built at Köln, Germany from the 1930's through 1950's.
These engines carried serial number prefixes A, AA, B, BB, and G28T, among others. Ford-Köln primarily used serial numbers assigned from groups of numbers granted by the Rouge from within the larger sequence of Rouge numbers.
Some post-war non-vehicle G28T engines had engine serial numbers from other than the Rouge number series. This included some industrial and agricultural use engines.
The engine number was assigned to completed engines after they had passed the electric motor-driven engine run-in (run-off) tests and were released for vehicle final assembly. The engine number then became the serial number for the completed vehicle after final (vehicle) assembly.
Model A, B, & G28T engine serial numbers were hand-stamped on the left hand side of the engine block, above the water inlet as shown above. There were variations in the spacing, position, orientation, and sharpness of individual numerals due to the manual alignment and stamping operation.
The table below indicates series or groups, of numbers which are known to have been transferred by the Rouge to Ford's engine production facilities at Köln.
Those numbers were reserved by the Rouge for Köln's local production use and assignment on both engines and vehicles they produced throughout the 1930's to 1950's, continuing well after US Model B regular vehicle production had ended.
The Model B and BB engine serial number is separate from the prefix letter(s). The serial number is unique and is not directly correlated to the prefix letter(s). The prefix is preceded by a ☆, and the serial number is followed by a closing ☆ character.
The G28T engine serial number is separate from the prefix. The serial number is unique and is not directly correlated to the prefix letter(s). The prefix is ☆28☆, for example, and the serial number is followed by a closing ☆ character.
Ford-Köln (Rouge Series) Model A, B, and G28T Ford Engine Serial Numbers |
Production Timeline Legend |
White shading indicates production records data from Ford-Köln publications. |
Green shading indicates a production milestone or unique vehicle data point. |
Model A Engine Number Prefix |
Starting Engine Number |
Ending Engine Number |
Date | Ford-Köln Model Notes |
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A / AF / AA Imported range |
1370 | 2750600 | 1928-1929 | Model A Personenwagen A-PKW 13/40 PS, 3285cc large bore Model AF Personenwagen AF-PKW 8/28 PS, 2023cc small bore Model AA Lastwagen AA-LKW 13/40 PS, 3285cc large bore with truck clutch |
A / AF / AA Imported range |
2750601 | 4860000 | 1930-1931 | Model A Personenwagen A-PKW 13/40 PS, 3285cc large bore Model AF Personenwagen AF-PKW 8/28 PS, 2023cc small bore Model AA Lastwagen AA-LKW 13/40 PS, 3285cc large bore with truck clutch |
A / AF / AA Köln-built |
4800001 4843001 4859001 4865501 |
4803000 4844000 4859800 4866500 |
1931 1932 1932 1935 |
Model A Personenwagen A-PKW 13/40 PS, 3285cc large bore Model AF Personenwagen AF-PKW 8/28 PS, 2023cc small bore Model AA Lastwagen AA-LKW 13/40 PS, 3285cc large bore with truck clutch |
Model B / G28T Engine Number Prefix |
Starting Engine Number |
Ending Engine Number |
Date | Ford-Köln Model Notes |
B / BF / BB | 5023663 | 5221560 | 1932-1933 | Model B Personenwagen B-PKW 13/50 PS, 3285cc large bore Model BF Personenwagen BF-PKW 8/40 PS, 2023cc small bore Model BB Lastwagen BB-LKW 13/50 PS, 3285cc large bore with truck clutch with 3/4 floating rear axle Updraft intake and Zenith carburetor |
☆B5080219☆ | Engine number is applied to an original 1932 Model B Kabriolett Registration Number 562362 in Germany in 1936 |
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B | 5221588 | 5323700 | 1933-1934 | "Rheinland" Personenwagen 40/4-PKW 13/50 PS, 3285cc Updraft intake and Zenith carburetor initially |
BB | 5315001 | 5330721 | 1934-1937 | "BB Lastwagen" BB-LKW 13/50 PS, 3285cc 157" WB with Model BB full floating rear axle |
BB | 5330722 | 5370849 | 1937-1939 | "BB Lastwagen" BB-LKW 13/50 PS, 3285cc 158" WB with Model 51 full floating rear axle Updraft intake and Solex 30 BFL carburetor |
BB, G987T (?) | 5369047 5370801 5398801 |
5406957 5373000 5408000 |
1939-1941 | Model G987T "Nutzkraftwagen" LKW 50 PS, 3285cc 157" WB with Model BB full floating rear axle Updraft intake and Solex 30 BFL carburetor |
28 | 5409151 | 5423800 | 1942-1943 (1942-1945?) |
Model G188T "B 3000" LKW 52 PS, 3285cc 158" WB with Model 51 full floating rear axle Downdraft intake and Solex 32 BJ carburetor |
☆ ☆5415268☆ | Oil pressure relief spring added to oil pump from this date. Technische Änderungen der Ford-Lastwagen, March 23, 1943 |
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G38T (?) | 1943-1945? | Model G38T Spezial LKW 52 PS, 3285cc Downdraft intake and Solex 32 BJ carburetor |
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G388T (?) | 1943-1945? | Model G388T LKW 57 PS, 3285cc 158" WB Downdraft intake and Solex 32 BI carburetor |
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☆ ☆5430066☆ | Aluminum oil pan with integral rear main bearing sealing introduced in 1943 after initial G28T. |
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☆28☆54154xx☆ | Factory stamped number on a G28T engine block in Norway with G38T head (from Model G188T "B 3000" truck) 1943-58 Standard Production 4.6:1 head w/ 14mm spark plugs, Ford script and "EB" logo below serial number pad |
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☆28R15278xx☆ | Factory stamped number on a G28T engine block in United Kingdom (Roy Underhill), Ford script and "EB" logo below serial number pad |
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☆28☆54239xx☆ | Factory stamped number on a G28T engine block in Germany (Peter Kettenmann) 15G43 block casting code, July 15, 1943 |
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☆28☆54249xx☆ | Factory stamped number on a G28T engine block in Norway (Øystein Rønning), Ford script and "EB" logo below serial number pad, Rectangular machined cast pad below valve cover, 28C44 block casting code, March 28, 1944 |
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☆28R☆54278xx☆ | Factory stamped number on a G28T engine block in The Netherlands (Hennie), and with a 2-bolt Bosch starter motor 23G43 head casting code, July 23, 1943 |
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Post-War G28T Production | ||||
G28T / G38T / G388T Engine Number Prefix |
Starting Engine Number |
Ending Engine Number |
Date | Ford-Köln Model Notes |
G38T | 1948-1950 | Model G38T Spezial "Schnell-Lastwagen" LKW 52 PS, 3285cc Downdraft intake and Solex 32 BI carburetor |
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G388T | 1948-1950 | Model G388T "Ruhr" LKW 57 PS, 3285cc Downdraft intake and Solex 32 BIP carburetor |
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G38T | 1951-1952 | Model G38T "1,5-2 Tonner BB Spezial Lastwagen" LKW 52 PS, 3285cc Downdraft intake and Solex 32 BI carburetor |
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G388T | 1951-1952 | Model G388T "3 Tonner BB Lastwagen" LKW 57 PS, 3285cc Downdraft intake and Solex 32 PBIC carburetor |
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G38T | 1953-1954 | Model G38T Spezial "FK 2000" ("1,5-2,0 to Spezial Lieferwagen") LKW 52 PS, 3285cc Downdraft intake and Solex 32 BI carburetor |
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G388T | 1953-1955 | Model G388T "FK 3000 BB" LKW 57 PS, 3285cc Downdraft intake and Solex 32 PBIC carburetor |
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Claas Mähdrescher |
☆308xxx☆ | ☆308xxx☆ | 1948-1954 | Claas Mähdrescher "Super" LKW 57 PS, 3285cc |
28☆3045xx | Factory stamped number on a G28T engine block in Denmark (Stefan Kappel) Ford script below serial number pad 13F51 block casting code, June 13, 1951 |
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G28T engine block in Sweden (Christian Möller) Köln-Niehl shield logo below serial number pad, Rectangular machined cast pad below valve cover, 22B52 block casting code, February 22, 1952 |
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☆G388T☆5436572☆ | Factory stamped number on a G28T engine block in Pennsylvania (Ora Landis) 16G52 block casting code, July 16, 1952 |
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☆28☆306xxx☆ | Factory stamped number on a G28T engine block in France (Pierre Aupetit) 17L52 block casting code, November 17, 1952 |
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☆3078xx☆ | Factory stamped number on a G28T engine block in Denmark (Povl von Lillienskjold) 22D53 block casting code, April 22, 1953 |
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☆3084xx☆ | Factory stamped number on a G28T engine block in New Zealand (Frank Forlong) |
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☆ ☆5456549☆ ? | Factory stamped number on a G28T engine block in Germany (Peter Kettenmann) 7M53 block casting code, December 7, 1953 |
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☆308658☆ ☆308659☆ ☆308662☆ ☆308711☆ ☆308715☆ ☆308717☆ ☆308724☆ ☆308725☆ ☆308731☆ |
Factory stamped numbers on G28T engine blocks in New Zealand (Derek Thomason) Ford-Köln interlocking F-K logo below serial number pad on some blocks |
German Model B series engines from 1936-41 used a slightly improved version (ignition and carburetion) of the original 1932 Model B engine, prior to the implementation of the yet further-improved 1942 G28T 'B' engine having insert bearings and pressure oiling, and downdraft carburetion.
The left hand side of the Model B engine block casting often had the Ford script, as well as the "EB" logo mark of Eisenwerk Brühl, the German foundry that produced the block casting for Ford-Köln. The pic below was supplied by Wilhelm Andersen of Norway.
I am seeking further information and photos about these German 1936-41 series engines, their improvements, and their prefix(s), serial numbers, and format.
1942 and newer German G28T (improved Model B) engines were used in Ford Ruhr, B3000, and FK Series trucks (and Claas Mähdrescher combines) through the mid 1950's. The G28T had insert bearings and pressure oiling.
The G28T carried the engine serial number stamped on the pad above the water inlet on the left hand side of the block, the same location as all the earlier Model B's.
In addition, the left hand side of the engine block casting had the Ford part number G28T-6015 and a date code cast-in, as well as the "EB" logo mark of Eisenwerk Brühl, the German foundry that produced the block casting for Ford-Köln. Many blocks also had the stylized F-K logo cast-in as well.
I am seeking further information and photos about these German G28T series engines, their prefix(s), serial numbers, and format.