Equipment unit · VIN-decoded · NHTSA vPIC

1987 Great Dane Trailers

1GRAA0624HK279632 · Trailer · TRAILER
Everest (reefer)
Carriers run under2
33 mo
Inspections11
all-time
OOS inspections2
of 11
First seenJun 29, 2023
NY
Last seenMar 9, 2026
SC
Inspected under 2 different carriers in 33 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
1GRAA0624HK279632
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1987
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
4 · valid

Deterministic · position 9; calculated value 4.

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
279632

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 · Jun 29, 2023 – Mar 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 9, 2026SCII · Walk-around1SILVICOM INC 1864495806460ST/IL
Feb 7, 2025CAI · Full3OOSRONALD ROYLANCE 1964495806460ST/IL
Sep 30, 2024TNI · Full3SILVICOM INC 1864495806460ST/IL
Aug 29, 2024NVI · Full0SILVICOM INC 1864495806460ST/IL
Aug 26, 2024IAIII · Driver-only0SILVICOM INC 1864495806460ST/IL
Feb 11, 2024UTIII · Driver-only0SILVICOM INC 1864495806460ST/IL
Dec 14, 2023TXI · Full1OOSSILVICOM INC 1864495806460ST/IL
Dec 12, 2023TNII · Walk-around0SILVICOM INC 1864495806460ST/IL
Nov 6, 2023CAII · Walk-around1SILVICOM INC 1864495806460ST/IL
Oct 21, 2023SDIII · Driver-only0SILVICOM INC 1864495806460ST/IL
Jun 29, 2023NYIII · Driver-only0SILVICOM INC 1864495806460ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SILVICOM INC1864495Jun 29, 2023Mar 9, 202610IL
RONALD ROYLANCE1964495Feb 7, 2025Feb 7, 20251WA
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.
806460STILSILVICOM INCJun 29, 2023Mar 9, 202610
806460STILRONALD ROYLANCEFeb 7, 2025Feb 7, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026