Equipment unit · VIN-decoded · NHTSA vPIC

2021 Great Dane Trailers

1GR1A0625MW314939 · Trailer · TRAILER
Everest (reefer)
Carriers run under2
29 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJul 21, 2023
MO
Last seenDec 18, 2025
OH
Inspected under 2 different carriers in 29 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
1GR1A0625MW314939
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
1A062

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1991 or 2021

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

North American serial sequence
314939

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 · 13,972 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 13,972 decoded VINs at 100.0% prefix purity.

Model line
Everest (reefer)

Sourced label · prefix basis 13,972 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
2021

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 21, 2023 – Dec 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 18, 2025OHI · Full1SCHUSTER COMPANY 69852FJ0175/IA
Dec 3, 2025PAII · Walk-around1SCHUSTER COMPANY 69852FJ0175/IA
Mar 25, 2025PAIII · Driver-only1SCHUSTER COMPANY 69852FJ0175/IA
Mar 11, 2025SCIII · Driver-only0VANDER KOOI INC 173212FJ0175/IA
Jul 21, 2023MOIII · Driver-only1SCHUSTER COMPANY 69852FJ0175/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SCHUSTER COMPANY69852Jul 21, 2023Dec 18, 20254IA
VANDER KOOI INC173212Mar 11, 2025Mar 11, 20251IA
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.
FJ0175IASCHUSTER COMPANYJul 21, 2023Dec 18, 20254
FJ0175IAVANDER KOOI INCMar 11, 2025Mar 11, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026