Equipment unit · VIN-decoded · NHTSA vPIC

1988 Great Dane Trailers

1GRAA0623JT122867 · Trailer · TRAILER
Everest (reefer)
Carriers run under3
11 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJul 24, 2024
CA
Last seenJun 24, 2025
PA
Inspected under 3 different carriers in 11 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
1GRAA0623JT122867
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
1988
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
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
122867

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
1988

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 · Jul 24, 2024 – Jun 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 24, 2025PAIII · Driver-only3PROVO LOGISTICS INC 41076644RH6248/CA
Feb 26, 2025CAI · Full0TRIPLE A TRANS INC 16637354RH6248/CA
Jul 24, 2024CAI · Full1MAMMOTH HAULING INC 25517824RH6248/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PROVO LOGISTICS INC4107664Jun 24, 2025Jun 24, 20251UT
TRIPLE A TRANS INC1663735Feb 26, 2025Feb 26, 20251CA
MAMMOTH HAULING INC2551782Jul 24, 2024Jul 24, 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.
4RH6248CA2PROVO LOGISTICS INCJun 24, 2025Jun 24, 20251
4RH6248CATRIPLE A TRANS INCFeb 26, 2025Feb 26, 20251
4RH6248CAMAMMOTH HAULING INCJul 24, 2024Jul 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026