Equipment unit · VIN-decoded · NHTSA vPIC

1987 Great Dane Trailers

1GRAA0621HT110470 · Trailer · TRAILER
Everest (reefer)
Carriers run under3
11 mo
Inspections4
all-time
OOS inspections2
of 4
First seenJan 23, 2025
IL
Last seenDec 10, 2025
KY
Inspected under 3 different carriers in 11 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
1GRAA0621HT110470
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1987
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
AA062

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1987 or 2017

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

North American serial sequence
110470

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
1987

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 · Jan 23, 2025 – Dec 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 10, 2025KYII · Walk-around1OOSSOUND TRANS LLC 3028414604087ST/IL
Aug 5, 2025SCIII · Driver-only2OOSARGO EXPRESS INC 2452690604087ST/IL
Jun 18, 2025OHIII · Driver-only0SONIC TRANS INC 2184825604087ST/IL
Jan 23, 2025ILI · Full0SOUND TRANS LLC 3028414604087ST/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUND TRANS LLC3028414Jan 23, 2025Dec 10, 20252IL
ARGO EXPRESS INC2452690Aug 5, 2025Aug 5, 20251IL
SONIC TRANS INC2184825Jun 18, 2025Jun 18, 20251IL
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.
604087STILSOUND TRANS LLCJan 23, 2025Dec 10, 20252
604087STILARGO EXPRESS INCAug 5, 2025Aug 5, 20251
604087STILSONIC TRANS INCJun 18, 2025Jun 18, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026