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Triumph commission number decoding
Classic Triumph VIN Decoder & Registry
Triumph used highly recognizable commission-number prefixes across the TR sports-car line. PetrolJunky reads those original identifiers directly, including TS, TSF, TCF, CT, CTC, CD, CC, CP, CR and CF families.
Decoder coverage: 1953–1976
TR2 through TR6 commission numbers North American and European TR6 prefixes Original prefix and serial parsing
Model VIN decoder guides
Explore the models we can decode.
1953–1962
Triumph TR2, TR3, TR3A & TR3B Decoder
Decode Triumph TR2, TR3, TR3A and TR3B commission numbers and identify the correct early TR generation.
Open decoder guide → 1961–1967Triumph TR4 & TR4A VIN Decoder
Decode Triumph TR4 and TR4A commission numbers using their CT and CTC factory prefixes.
Open decoder guide → 1967–1976Triumph TR250 & TR6 VIN Decoder
Decode Triumph TR250 and TR6 commission numbers, including North American and European TR6 prefix families.
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Decoder reference
What this decoder page is designed to answer.
Triumph commission numbers are ideal for classic decoding
The TR line predates the standardized 17-character VIN, but Triumph did not use meaningless random serials. Prefixes and production blocks identify major model generations, while suffixes can preserve details such as left-hand drive and overdrive equipment. PetrolJunky normalizes the punctuation and reads the original commission number without requiring a make or year dropdown.
TR2 through TR6 coverage
Reviewed coverage includes TR2, TR3, TR3A, TR3B, TR4, TR4A, TR250 and TR6. Where a prefix spans more than one closely related model, PetrolJunky reports the supported family rather than inventing false precision.
Common questions
Triumph VIN decoder questions
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