Equipment unit · VIN-decoded · NHTSA vPIC

2023 Great Dane Trailers

1GR1A0621PK436886 · Trailer · TRAILER
Everest (reefer)
Carriers run under3
25 mo
Inspections4
all-time
OOS inspections2
of 4
First seenJun 5, 2024
AR
Last seenJul 10, 2026
AZ
Inspected under 3 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
1GR1A0621PK436886
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 14, 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
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1993 or 2023

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

North American serial sequence
436886

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
2023

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 · Jun 5, 2024 – Jul 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 10, 2026AZII · Walk-around8OOSZEMEN LOGISTICS LLC 3958341PB64389/IN
Jul 9, 2026AZII · Walk-around4ZEMEN LOGISTICS LLC 3958341PB64389/IN
Nov 11, 2024CTIII · Driver-only4ROBIN AND AJ TRUCKING CORP 3972718PB64389/IN
Jun 5, 2024ARIII · Driver-only2OOSH&M LOGESTICE LLC 3781822PR64389/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZEMEN LOGISTICS LLC3958341Jul 9, 2026Jul 10, 20262TX
ROBIN AND AJ TRUCKING CORP3972718Nov 11, 2024Nov 11, 20241PA
H&M LOGESTICE LLC3781822Jun 5, 2024Jun 5, 20241TX
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.
PB64389IN2ZEMEN LOGISTICS LLCJul 9, 2026Jul 10, 20262
PB64389INROBIN AND AJ TRUCKING CORPNov 11, 2024Nov 11, 20241
PR64389INH&M LOGESTICE LLCJun 5, 2024Jun 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 14, 2026