Equipment unit · VIN-decoded · NHTSA vPIC

2010 Great Dane Trailers

1GRAA0621AT554499 · Trailer · TRAILER
Everest (reefer)
Carriers run under1
32 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJun 29, 2023
MT
Last seenFeb 3, 2026
UT
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1GRAA0621AT554499
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2010
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 23, 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
AA062

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1980 or 2010

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

North American serial sequence
554499

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 · 24,927 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 24,927 decoded VINs at 100.0% prefix purity.

Model line
Everest (reefer)

Sourced label · prefix basis 24,927 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
2010

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 29, 2023 – Feb 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 3, 2026UTIII · Driver-only0NAYBOY EXPRESS LLC 3555788Z540409/UT
Oct 24, 2025NMII · Walk-around0NAYBOY EXPRESS LLC 3555788A540409/UT
Feb 6, 2025UTIII · Driver-only2NAYBOY EXPRESS LLC 3555788A540409/UT
Oct 21, 2024SDIII · Driver-only0NAYBOY EXPRESS LLC 3555788A540409/UT
May 22, 2024UTIII · Driver-only0NAYBOY EXPRESS LLC 3555788A540409/UT
Jun 29, 2023MTI · Full1NAYBOY EXPRESS LLC 3555788TEMP/UT
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NAYBOY EXPRESS LLC3555788Jun 29, 2023Feb 3, 20266UT
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.
Z540409UTNAYBOY EXPRESS LLCFeb 3, 2026Feb 3, 20261
A540409UTNAYBOY EXPRESS LLCMay 22, 2024Oct 24, 20254
TEMPUTNAYBOY EXPRESS LLCJun 29, 2023Jun 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026