Later German G28T (improved Model B) engine serial numbers are not addressed on this page. Some Model B engines having an AA prefix and Rouge group serial numbers were also built and stamped at Dagenham in 19 and were used in Model AA trucks having factory Model B engines. An 'F' in the number or model indicated a small bore/displacement 14.9 HP (RAC) engine for taxation purposesĬork, Manchester, Dagenham, and Köln used serial numbers assigned from groups of numbers granted by the Rouge from within the larger sequence of Rouge numbers. An 'F' in the number indicated a RHD export configuration for US and Canadian production.Įngines produced at Cork, Ireland, at Manchester and later Dagenham, England, and at Köln, Germany variously carried serial number prefixes A, AF, AA, B, BF, and BB, however with distinctly identifiable numeric serial numbers based on place of manufacture. Most US and Canadian built Model A Ford engines found in North and South America with serial number prefixes A, AA, AF, or AAF, and Model B Ford engines with serial number prefixes AB, AAB, B, or BB were built at the Rouge or Windsor, Ontario. The prefix is preceded by a ☆ character, and the numeric serial number is followed by a ☆ character, as shown in the pic above. The numeric serial number is unique and is not directly correlated to the prefix letter(s). The engine serial number is separate from the alpha prefix letter(s). This is true throughout the Ford Model A and B US and Canadian production era. The engine number, not a frame number, was the original serial number of the vehicle for title and registration purposes. Any number present is frequently obscured or illegible due to corrosion and pitting from moisture held by the cotton frame webbing between the frame and body. In the 1930's, vehicle theft was actually quite a large problem.Ī check for a possible frame number requires removal of the body and fender splash aprons from the frame. The engine number was assigned and stamped at the Rouge after engine completion and was usually, but not always, later stamped on the top of the frame flange at the vehicle assembly plant as a backup to aid in positive identification of stolen vehicles. When present, the frame number was a duplicate of the original engine number of that chassis. There is no Ford literature available indicating a frame number was ever intended for any primary identification of a vehicle by Ford. A great many did not have a frame number stamped, and it varied depending on when and which of the more than two dozen assembly plants completed the vehicle final assembly. Actually, not all Model A vehicles even had a frame number. It is popularly but incorrectly claimed by some people that the serial number of the vehicle was a frame number. The Specifications and License Data page above in the Instruction Book is quite clear and specific about this. Model A Vehicle Serial Number and LocationĪs shown above in the 1928 Model A Ford Instruction Book, Ford did in fact specify the engine number to be the 'serial number' of the vehicle, during the Model A (and B) era, and throughout the 1930's. The engine serial number was used as the defacto VIN number of the vehicle, as noted by Ford in the vehicle owner's manual Instruction Book below. This (lengthy) page details engine serial number location, dates, and identification for Model A Ford and Model B Ford engines. No warranty, guarantee, representation as to its accuracy, nor fitness for a particular use is expressed or implied.įord Garage and its owner assumes neither responsibility nor liability for completeness or correctness, errors or omissions, or for the effects of use or mis-use of the information presented on Ford Garage.īy utilizing the Ford Garage web site, the User agrees to these terms and conditions and assumes all liability and responsibility for the User's use of the information presented. Information on the Ford Garage web site is presented for the User's consideration as-is and free of charge. Information on the Ford Garage web site is based on historical record and ongoing research, is believed reliable, and is presented in good faith.
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