Vehicle identified
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CD, CC, CP, CR and CF commission numbers
Triumph TR250 & TR6 VIN Decoder
TR250 and TR6 commission prefixes preserve useful market and generation information. PetrolJunky recognizes CD for TR250 and the CC/CF North American and CP/CR European TR6 families.
Decoder coverage: 1967–1976
TR250 North American TR6 European TR6
Decoder reference
What this decoder page is designed to answer.
TR250 and TR6 prefixes carry market information
The North American TR250 uses the CD commission prefix. With the TR6, Triumph used different prefix families across markets and production eras: CC and later CF are associated with North American cars, while CP and later CR identify European fuel-injected families. PetrolJunky reads these prefixes before evaluating the serial portion.
Commission suffixes can add useful clues
Many surviving Triumph records include suffix letters indicating steering side or equipment such as overdrive. PetrolJunky keeps those suffixes instead of discarding them, but it treats them as chassis clues rather than proof that every component remains original today. A swapped gearbox, for example, does not change the commission number.
Conservative year handling
Where a prefix spans several production years, the result shows the supported production period rather than manufacturing an exact model year. This gives the registry a trustworthy identity that can later be enriched by heritage certificates, build dates and owner documentation.
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