FOUR WINNS BOATS LLC (OOB) HIN Decoder
Hull Identification Numbers beginning with GFN were assigned by the US Coast Guard to FOUR WINNS BOATS LLC (OOB) of CADILLAC, MI. The company is recorded as out of business since 2010 — common for older hulls, and useful to know when hunting parts or records. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
GFN
Location
CADILLAC, MI
In business
since 2001
Status
Out of business (2010)
Parent company
GENMAR MICHIGAN LLC
FOUR WINNS BOATS LLC (OOB) hulls (2001–2010) 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
The optional $19.99 Boat History Report adds stolen-boat, salvage/auction, incident, and USCG documentation checks — one-time, no subscription (typical boat-history services charge $25+).
FOUR WINNS BOATS LLC (OOB) HIN FAQ
What does a FOUR WINNS BOATS LLC (OOB) HIN look like?
It starts with the three characters "GFN" — the Manufacturer Identification Code the US Coast Guard assigned to FOUR WINNS BOATS LLC (OOB) — followed by a 5-character hull serial and a 4-character date code, 12 characters total. FOUR WINNS BOATS LLC (OOB) hulls (2001–2010) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is FOUR WINNS BOATS LLC (OOB) still in business?
USCG records list FOUR WINNS BOATS LLC (OOB) as out of business since 2010 (associated with GENMAR MICHIGAN LLC). That's common for older hulls — the HIN still decodes normally, and the out-of-business date helps date the boat and guides parts-hunting toward salvage and owner groups rather than a dealer network.
How do I decode the year on a FOUR WINNS BOATS LLC (OOB) HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. FOUR WINNS BOATS LLC (OOB) hulls (2001–2010) 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 MI
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "FOUR WINNS BOATS LLC (OOB) HIN Decoder," carwhere.com/hin-decoder/gfn, last verified 2026-06-12.