Equipment unit · VIN-decoded · NHTSA vPIC

1989 Great Dane Trailers

1GRDM9621KH154519 · Trailer · TRAILER
Freedom
Carriers run under2
10 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJun 14, 2023
GA
Last seenApr 19, 2024
NC
Inspected under 2 different carriers in 10 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
1GRDM9621KH154519
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1989
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 5, 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
1 · valid

Deterministic · position 9; calculated value 1.

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
154519

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 · Jun 14, 2023 – Apr 19, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 19, 2024NCII · Walk-around5OOSSZ TRUCKING LLC 3389304QB40BK/FL
Nov 22, 2023TNII · Walk-around0FERROS TRUCKING INC 2429662QB40BK/FL
Oct 18, 2023FLIII · Driver-only1FERROS TRUCKING INC 2429662QB40BK/FL
Jun 14, 2023GAIII · Driver-only3FERROS TRUCKING INC 2429662QB40BK/FL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SZ TRUCKING LLC3389304Apr 19, 2024Apr 19, 20241FL
FERROS TRUCKING INC2429662Jun 14, 2023Nov 22, 20233FL
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.
QB40BKFL2SZ TRUCKING LLCApr 19, 2024Apr 19, 20241
QB40BKFLFERROS TRUCKING INCJun 14, 2023Nov 22, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026