Equipment unit · VIN-decoded · NHTSA vPIC

1988 Great Dane Trailers

1GRAA0623JT100299 · Trailer · TRAILER
Everest (reefer)
Carriers run under2
31 mo
Inspections3
all-time
OOS inspections0
of 3
First seenFeb 27, 2024
IL
Last seenSep 23, 2026
IL
Inspected under 2 different carriers in 31 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
1GRAA0623JT100299
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1988
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1988 or 2018

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

North American serial sequence
100299

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 · Feb 27, 2024 – Sep 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 23, 2026ILIII · Driver-only0—TR SPEED INC 2370137820933ST/IL
May 27, 2026WIII · Walk-around2—TR SPEED INC 2370137820933ST/IL
Feb 27, 2024ILII · Walk-around0—ZAR EXPRESS INC 3043442820933ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TR SPEED INC2370137May 27, 2026Sep 23, 20262IL
ZAR EXPRESS INC3043442Feb 27, 2024Feb 27, 20241IL
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.
820933STIL2TR SPEED INCMay 27, 2026 → Sep 23, 20262
820933STIL—ZAR EXPRESS INCFeb 27, 2024 → Feb 27, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 18, 2026