Equipment unit · VIN-decoded · NHTSA vPIC

2021 Great Dane Trailers

1GR1A0627MW310245 · Trailer · TRAILER
Everest (reefer)
Carriers run under5
34 mo
Inspections8
all-time
OOS inspections2
of 8
First seenJun 25, 2023
IL
Last seenApr 26, 2026
AZ
Inspected under 5 different carriers in 34 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
1GR1A0627MW310245
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 17, 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
1A062

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1991 or 2021

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

North American serial sequence
310245

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 · 13,972 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 13,972 decoded VINs at 100.0% prefix purity.

Model line
Everest (reefer)

Sourced label · prefix basis 13,972 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
2021

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 25, 2023 – Apr 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 26, 2026AZI · Full1OOSMOON LIGHT TRANSPORT INC 31220514TS4040/CA
Mar 11, 2026NMII · Walk-around0MOON LIGHT TRANSPORT INC 31220514TS4040/CA
Apr 28, 2025TNIII · Driver-only03 GOODMEN TRANSPORT INC 24148454TS4040/CA
Dec 12, 2024AZII · Walk-around13 GOODMEN TRANSPORT INC 24148454TS4040/CA
Sep 12, 2024INIII · Driver-only2UNITY TRUCKING INC 35360014TS4040/CA
Aug 28, 2024NMII · Walk-around1BIG BIRD TRUCKING INC 32308054TS4040/CA
Jul 26, 2023AZII · Walk-around6OOSAZAD TRANSPORT INC 30466854TS4040/CA
Jun 25, 2023ILIII · Driver-only0AZAD TRANSPORT INC 30466854TS4040/CA
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MOON LIGHT TRANSPORT INC3122051Mar 11, 2026Apr 26, 20262CA
3 GOODMEN TRANSPORT INC2414845Dec 12, 2024Apr 28, 20252CA
UNITY TRUCKING INC3536001Sep 12, 2024Sep 12, 20241CA
BIG BIRD TRUCKING INC3230805Aug 28, 2024Aug 28, 20241CA
AZAD TRANSPORT INC3046685Jun 25, 2023Jul 26, 20232CA
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.
4TS4040CAMOON LIGHT TRANSPORT INCMar 11, 2026Apr 26, 20262
4TS4040CA3 GOODMEN TRANSPORT INCDec 12, 2024Apr 28, 20252
4TS4040CAUNITY TRUCKING INCSep 12, 2024Sep 12, 20241
4TS4040CABIG BIRD TRUCKING INCAug 28, 2024Aug 28, 20241
4TS4040CAAZAD TRANSPORT INCJun 25, 2023Jul 26, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026