Equipment unit · VIN-decoded · NHTSA vPIC

2022 Great Dane Trailers

1GR1A0623NW403569 · Trailer · TRAILER
Everest (reefer)
Carriers run under2
12 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJan 12, 2024
NM
Last seenJan 15, 2025
CA
Inspected under 2 different carriers in 12 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
1GR1A0623NW403569
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2022
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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1992 or 2022

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

North American serial sequence
403569

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
2022

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 · Jan 12, 2024 – Jan 15, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 15, 2025CAIII · Driver-only0DAUDHAR TRUCK LINES INC 25574214TX7607/CA
Nov 5, 2024OHIII · Driver-only0DAUDHAR TRUCK LINES INC 25574214TX7607/CA
Sep 7, 2024NMII · Walk-around3DAUDHAR TRUCK LINES INC 25574214TX7607/CA
Jun 28, 2024NMII · Walk-around2DAUDHAR TRUCK LINES INC 25574214TX7607/CA
Jan 12, 2024NMII · Walk-around2OOSMRK TRANSPORT INC 40934024TX7607/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DAUDHAR TRUCK LINES INC2557421Jun 28, 2024Jan 15, 20254CA
MRK TRANSPORT INC4093402Jan 12, 2024Jan 12, 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.
4TX7607CADAUDHAR TRUCK LINES INCJun 28, 2024Jan 15, 20254
4TX7607CAMRK TRANSPORT INCJan 12, 2024Jan 12, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026