Equipment unit · VIN-decoded · NHTSA vPIC

1984 Great Dane Trailers

1GRAA0628ET591619 · Trailer · TRAILER
Everest (reefer)
Carriers run under4
31 mo
Inspections13
all-time
OOS inspections1
of 13
First seenJun 15, 2023
CA
Last seenJan 18, 2026
CA
Inspected under 4 different carriers in 31 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
1GRAA0628ET591619
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1984
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1984 or 2014

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

North American serial sequence
591619

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
1984

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 15, 2023 – Jan 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 18, 2026CAI · Full1TRANSPORTATION CONCEPTS INC 1725083231722B/ME
Sep 8, 2025NVII · Walk-around0TRANSPORTATION CONCEPTS INC 1725083231722B/ME
Mar 10, 2025CAII · Walk-around0TRANSPORTATION CONCEPTS INC 172508323721B/ME
Mar 7, 2025NVIII · Driver-only2TRANSPORTATION CONCEPTS INC 17250832317228/ME
Jan 16, 2025CAIII · Driver-only1TRANSPORTATION CONCEPTS INC 1725083231722B/ME
Nov 11, 2024NVII · Walk-around1OOSTRANSPORTATION CONCEPTS INC 1725083231722B/ME
Oct 13, 2024CAI · Full1TRANSPORTATION CONCEPTS INC 1725083231721B/ME
Jul 30, 2024NVII · Walk-around0CMT LOGISTICS INC 3970806231721B/ME
Jul 16, 2024CAI · Full0TRANSPORTATION COMMODITIES INC 582596231722B/ME
Feb 29, 2024CAII · Walk-around3TRANSPORTATION CONCEPTS INC 1725083231722B/ME
Dec 18, 2023NVIII · Driver-only0TRANSPORTATION CONCEPTS INC 1725083231722B/ME
Dec 4, 2023CAII · Walk-around0T C I TRANSPORTATION SERVICES INC 480301231721B/ME
Jun 15, 2023CAI · Full1TRANSPORTATION CONCEPTS INC 1725083231722B/ME
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRANSPORTATION CONCEPTS INC1725083Jun 15, 2023Jan 18, 202610AZ
CMT LOGISTICS INC3970806Jul 30, 2024Jul 30, 20241CA
TRANSPORTATION COMMODITIES INC582596Jul 16, 2024Jul 16, 20241CA
T C I TRANSPORTATION SERVICES INC480301Dec 4, 2023Dec 4, 20231CA
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.
231722BMETRANSPORTATION CONCEPTS INCJun 15, 2023Jan 18, 20267
23721BMETRANSPORTATION CONCEPTS INCMar 10, 2025Mar 10, 20251
2317228METRANSPORTATION CONCEPTS INCMar 7, 2025Mar 7, 20251
231721BMETRANSPORTATION CONCEPTS INCOct 13, 2024Oct 13, 20241
231721BMECMT LOGISTICS INCJul 30, 2024Jul 30, 20241
231722BMETRANSPORTATION COMMODITIES INCJul 16, 2024Jul 16, 20241
231721BMET C I TRANSPORTATION SERVICES INCDec 4, 2023Dec 4, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026