MARSHALL MARINE CO HIN Decoder
Hull Identification Numbers beginning with MMO were assigned by the US Coast Guard to MARSHALL MARINE CO of GUNNISON, CO. The builder is listed in the USCG MIC database. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
MMO
Location
GUNNISON, CO
In business
since 2016
Status
Listed active in USCG records
MARSHALL MARINE CO hulls (2016–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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MARSHALL MARINE CO HIN FAQ
What does a MARSHALL MARINE CO HIN look like?
It starts with the three characters "MMO" — the Manufacturer Identification Code the US Coast Guard assigned to MARSHALL MARINE CO — followed by a 5-character hull serial and a 4-character date code, 12 characters total. MARSHALL MARINE CO hulls (2016–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is MARSHALL MARINE CO still in business?
USCG records list MARSHALL MARINE CO of GUNNISON, CO in the MIC database (registered 2016).
How do I decode the year on a MARSHALL MARINE CO HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. MARSHALL MARINE CO hulls (2016–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in CO
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "MARSHALL MARINE CO HIN Decoder," carwhere.com/hin-decoder/mmo, last verified 2026-06-12.