Equipment unit · VIN-decoded · NHTSA vPIC

1986 Great Dane Trailers

1GRAA0620GK257383 · Trailer · TRAILER
Everest (reefer)
Carriers run under4
13 mo
Inspections6
all-time
OOS inspections1
of 6
First seenAug 3, 2024
AZ
Last seenSep 17, 2025
SC
Inspected under 4 different carriers in 13 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
1GRAA0620GK257383
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1986
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
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1986 or 2016

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

North American serial sequence
257383

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
1986

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 · Aug 3, 2024 – Sep 17, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 17, 2025SCII · Walk-around2OOSADA TRANSPORTATION INC 2059768C465763/ME
Mar 10, 2025NJIII · Driver-only5HENRY BOY TRANSPORT INC 3437418C465763/ME
Jan 27, 2025CAI · Full3YOSING TRUCKING INC 3337200C465763/ME
Nov 27, 2024CAII · Walk-around2AMERICAN ALLIANCE LOGISTICS INC 2978755C465763/ME
Sep 2, 2024GAIII · Driver-only3HENRY BOY TRANSPORT INC 34374184VH8855/CA
Aug 3, 2024AZIII · Driver-only2YOSING TRUCKING INC 33372004VH8855/CA
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ADA TRANSPORTATION INC2059768Sep 17, 2025Sep 17, 20251CA
HENRY BOY TRANSPORT INC3437418Sep 2, 2024Mar 10, 20252CA
YOSING TRUCKING INC3337200Aug 3, 2024Jan 27, 20252CA
AMERICAN ALLIANCE LOGISTICS INC2978755Nov 27, 2024Nov 27, 20241CA
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.
C465763MEADA TRANSPORTATION INCSep 17, 2025Sep 17, 20251
C465763MEHENRY BOY TRANSPORT INCMar 10, 2025Mar 10, 20251
C465763MEYOSING TRUCKING INCJan 27, 2025Jan 27, 20251
C465763MEAMERICAN ALLIANCE LOGISTICS INCNov 27, 2024Nov 27, 20241
4VH8855CAHENRY BOY TRANSPORT INCSep 2, 2024Sep 2, 20241
4VH8855CAYOSING TRUCKING INCAug 3, 2024Aug 3, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026