Equipment unit · VIN-decoded · NHTSA vPIC

2021 Great Dane Trailers

1GR1A0622MB306403 · Trailer · TRAILER
Everest (reefer)
Carriers run under4
25 mo
Inspections4
all-time
OOS inspections0
of 4
First seenApr 16, 2024
GA
Last seenMay 13, 2026
GA
Inspected under 4 different carriers in 25 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
1GR1A0622MB306403
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 5, 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
2 · valid

Deterministic · position 9; calculated value 2.

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
306403

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.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Apr 16, 2024 – May 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 13, 2026GAIII · Driver-only1—SMART JM TRUCKING INC 41582824TG3126/CA
Dec 21, 2025ALIII · Driver-only1—AMJ EXPRESS INC 3662449CE6302/CA
Nov 19, 2025NCIII · Driver-only1—ADA TRANSPORTATION INC 20597684TG3126/CA
Apr 16, 2024GAIII · Driver-only0—WS LOGISTICS INC 41248884TG3126/CA
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SMART JM TRUCKING INC4158282May 13, 2026May 13, 20261IN
AMJ EXPRESS INC3662449Dec 21, 2025Dec 21, 20251CA
ADA TRANSPORTATION INC2059768Nov 19, 2025Nov 19, 20251CA
WS LOGISTICS INC4124888Apr 16, 2024Apr 16, 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.
4TG3126CA—SMART JM TRUCKING INCMay 13, 2026 → May 13, 20261
CE6302CA—AMJ EXPRESS INCDec 21, 2025 → Dec 21, 20251
4TG3126CA—ADA TRANSPORTATION INCNov 19, 2025 → Nov 19, 20251
4TG3126CA—WS LOGISTICS INCApr 16, 2024 → Apr 16, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026