Equipment unit · VIN-decoded · NHTSA vPIC

1987 Great dane trailers Great Dane Trailers

1GRAA0621HK279636 · Trailer · TRAILER
Carriers run under1
36 mo
Inspections14
all-time
OOS inspections1
of 14
First seenJul 6, 2023
UT
Last seenJul 25, 2026
IL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1GRAA0621HK279636
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
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
279636

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
Not established

No sourced model-line label is established.

No source established for this field.

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 6, 2023 – Jul 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 25, 2026ILIII · Driver-only0SILVICOM INC 1864495806452ST/IL
Mar 29, 2026IAII · Walk-around2SILVICOM INC 1864495806452ST/IL
Mar 26, 2026TNII · Walk-around1SILVICOM INC 1864495806452ST/IL
Mar 10, 2026SCII · Walk-around0SILVICOM INC 1864495806452ST/IL
Jan 9, 2026MOII · Walk-around0SILVICOM INC 1864495806452ST/IL
Dec 1, 2025UTI · Full1OOSSILVICOM INC 1864495806452ST/IL
Oct 1, 2025CAII · Walk-around0SILVICOM INC 1864495806452ST/IL
Sep 18, 2025ARII · Walk-around0SILVICOM INC 1864495806452ST/IL
Mar 17, 2025OHII · Walk-around3SILVICOM INC 1864495806452/IL
Mar 13, 2025NEIII · Driver-only1SILVICOM INC 1864495806452/IL
Dec 20, 2024UTIII · Driver-only0SILVICOM INC 1864495806452ST/IL
Oct 2, 2024LAIII · Driver-only0SILVICOM INC 1864495806452ST/IL
Sep 25, 2024ILIII · Driver-only0SILVICOM INC 1864495806452ST/IL
Jul 6, 2023UTIII · Driver-only0SILVICOM INC 1864495806452ST/IL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SILVICOM INC1864495Jul 6, 2023Jul 25, 202614IL
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.
806452STIL1SILVICOM INCJul 6, 2023Jul 25, 202612
806452ILSILVICOM INCMar 13, 2025Mar 17, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026