
The Consecutive Unit Number should be considered to be a unique identification that shows when the order was received and when it was planned for production. Therefore, a Thunderbird with a Consecutive Unit Number of 105678 may have actually been produced and ready for shipping before a Thunderbird with a Consecutive Unit Number of 105432. And more often than not, the actual production date (the day the car rolled off the line) was earlier or later than what was originally planned. It was then assigned a scheduled production date based on availability of trim, parts, other components, and taking into account downtime and production workloads at the assembly plant.Ī scheduled production date was very often out of sequence with the Consecutive Unit Number. When a car was ordered, it was immediately assigned a VIN with a Consecutive Unit Number. This number represents the scheduled sequence order. Positions #6 through #11 are the Consecutive Unit NumberĬonsecutive Unit Numbers begin at 100001 at each Ford Motor Company assembly plant.
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The body series code was changed to "89" for the balance of 1962 production.

NOTE: The 1962 Thunderbird Sports Roadster body series code was "85" for the first 558 units produced, the last being 2Y85Z114640. Positions #3 and #4 are the Body Series Code IdentificationĨ3 = Thunderbird 2-door hardtop (1962 through 1966, with rear quarter window)Ĩ5 = Thunderbird Convertible (1962 through 1966)Ĩ7 = Thunderbird 2-door Landau (1962 through 1965)Ĩ9 = Thunderbird 2-door Sports Roadster (1962-late and 1963)

Position #2 is the Assembly Plant Identification
