HARLEY BOAT CORPORATION HIN Decoder
Hull Identification Numbers beginning with HDH were assigned by the US Coast Guard to HARLEY BOAT CORPORATION of BARTOW, FL. 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
HDH
Location
BARTOW, FL
In business
since 1980
Status
Listed active in USCG records
HARLEY BOAT CORPORATION built hulls across both HIN eras (1980–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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HARLEY BOAT CORPORATION HIN FAQ
What does a HARLEY BOAT CORPORATION HIN look like?
It starts with the three characters "HDH" — the Manufacturer Identification Code the US Coast Guard assigned to HARLEY BOAT CORPORATION — followed by a 5-character hull serial and a 4-character date code, 12 characters total. HARLEY BOAT CORPORATION built hulls across both HIN eras (1980–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Is HARLEY BOAT CORPORATION still in business?
USCG records list HARLEY BOAT CORPORATION of BARTOW, FL in the MIC database (registered 1980).
How do I decode the year on a HARLEY BOAT CORPORATION HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. HARLEY BOAT CORPORATION built hulls across both HIN eras (1980–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
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Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "HARLEY BOAT CORPORATION HIN Decoder," carwhere.com/hin-decoder/hdh, last verified 2026-06-12.