Equipment unit · NHTSA vPIC identity

2004 Great Dane Trailers

1GRAA06284T509791 · Trailer · TRAILER
Everest (reefer)
Carriers run under3
14 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJun 25, 2024
AZ
Last seenAug 20, 2025
CA
Inspected under 3 different carriers in 14 months
These observations show where this VIN appeared, not who owned the vehicle. Sales, leases or owner-operator moves may explain carrier changes. A shared VIN alone is not a fraud finding. Compare dates and sources in the timeline below.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1GRAA06284T509791
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2004
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 19, 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
2004 or 2034

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

North American serial sequence
509791

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.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 25, 2024 – Aug 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 20, 2025CAIII · Driver-only2—3 PL INTEGRATED SERVICES INC 24508224PN8340/CA
Jan 15, 2025CAI · Full5OOSYF TRANSPORT LLC 34367484PN8340/CA
Jun 25, 2024AZIII · Driver-only6—ALPI LOGISTICS LLC 33722874PN8340/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
3 PL INTEGRATED SERVICES INC2450822Aug 20, 2025Aug 20, 20251CA
YF TRANSPORT LLC3436748Jan 15, 2025Jan 15, 20251CA
ALPI LOGISTICS LLC3372287Jun 25, 2024Jun 25, 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.
4PN8340CA—3 PL INTEGRATED SERVICES INCAug 20, 2025 → Aug 20, 20251
4PN8340CA—YF TRANSPORT LLCJan 15, 2025 → Jan 15, 20251
4PN8340CA—ALPI LOGISTICS LLCJun 25, 2024 → Jun 25, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026