Equipment unit · VIN-decoded · NHTSA vPIC

1989 Great Dane Trailers

1GRDM9625KH135164 · Trailer · TRAILER
Freedom
Carriers run under2
28 mo
Inspections5
all-time
OOS inspections2
of 5
First seenNov 17, 2023
TN
Last seenMar 19, 2026
KY
Inspected under 2 different carriers in 28 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1GRDM9625KH135164
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1989
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 27, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1GR

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DM962

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1989 or 2019

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
135164

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
GREAT DANE TRAILERS

Prefix basis · 3,507 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 3,507 decoded VINs at 100.0% prefix purity.

Model line
Freedom

Sourced label · prefix basis 3,507 decoded VINs at 100.0% prefix purity.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
1989

Observed directly for this VIN via NHTSA vPIC.

Observed make
GREAT DANE TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed model
Great Dane Trailers

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 17, 2023 – Mar 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 19, 2026KYIII · Driver-only1HAYDON BRIDGE COMPANY INC 373143S1W121/KY
Aug 20, 2025KYIII · Driver-only0HAYDON BRIDGE COMPANY INC 373143S1W121/KY
May 29, 2024CAI · Full0MERCER TRANSPORTATION COMPANY INC 154712U855033/IN
May 29, 2024CAI · Full1OOSMERCER TRANSPORTATION COMPANY INC 154712U855033/TN
Nov 17, 2023TNII · Walk-around2OOSMERCER TRANSPORTATION COMPANY INC 154712U855033/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HAYDON BRIDGE COMPANY INC373143Aug 20, 2025Mar 19, 20262KY
MERCER TRANSPORTATION COMPANY INC154712Nov 17, 2023May 29, 20243KY
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
S1W121KYHAYDON BRIDGE COMPANY INCAug 20, 2025Mar 19, 20262
U855033INMERCER TRANSPORTATION COMPANY INCMay 29, 2024May 29, 20241
U855033TNMERCER TRANSPORTATION COMPANY INCNov 17, 2023May 29, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 27, 2026