Equipment unit · VIN-decoded · NHTSA vPIC

1999 Great Dane Trailers

1GRAA0628XB178950 · Trailer · TRAILER
Everest (reefer)
Carriers run under1
31 mo
Inspections7
all-time
OOS inspections0
of 7
First seenAug 1, 2023
NM
Last seenMar 16, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1GRAA0628XB178950
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 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
1999 or 2029

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

North American serial sequence
178950

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
1999

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 1, 2023 – Mar 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 16, 2026CAI · Full0SOUTHWEST FREIGHT INC 28615314NH6195/CA
Feb 2, 2026NVIII · Driver-only1SOUTHWEST FREIGHT INC 28615314NH6195/CA
Jan 27, 2026NMIII · Driver-only0SOUTHWEST FREIGHT INC 28615314NH6195/CA
Jan 25, 2026CAIII · Driver-only0SOUTHWEST FREIGHT INC 28615314NH6195/CA
Jan 14, 2025LAIII · Driver-only0SOUTHWEST FREIGHT INC 28615314NH6195/CA
Nov 26, 2024AZIII · Driver-only2SOUTHWEST FREIGHT INC 28615314NH6195/CA
Aug 1, 2023NMII · Walk-around4SOUTHWEST FREIGHT INC 28615314NH6195/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHWEST FREIGHT INC2861531Aug 1, 2023Mar 16, 20267UT
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.
4NH6195CASOUTHWEST FREIGHT INCAug 1, 2023Mar 16, 20267
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026