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HD Vehicle Identification Numbers
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HD VIN 1981–up

HD VIN 1981–up

Milwaukee is sure glad that Harley frames offer abundant space for ever growing VINs: today they contain more information than a peanut tank can hold gasoline. There's the place of production, engine category, sales region (there are varying highway codes worldwide and in the US) and the model range (coded by two letters) whose number is growing steadily. Then there are more codes for engine version, year of make, and, drum roll: the actual production number.

The engines get marked with an abbreviated number, making it easy to decide if this particular engine was meant to live in this particular frame, also known as „matching numbers“.

On the following pages we’re presenting the findings of our years long research into the content of these 9 blocks of numbers: