Equipment unit · VIN-decoded · NHTSA vPIC

2023 Great Dane Trailers

1GR1A0623PW443475 · Trailer · TRAILER
Everest (reefer)
Carriers run under2
37 mo
Inspections9
all-time
OOS inspections1
of 9
First seenJun 26, 2023
CA
Last seenJul 3, 2026
MI
Inspected under 2 different carriers in 37 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
1GR1A0623PW443475
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 17, 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
1993 or 2023

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

North American serial sequence
443475

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 26, 2023 – Jul 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 3, 2026MIII · Walk-around4OOSDEEP BROTHER TRANSPORT INC 36326694VB1366/CA
Feb 14, 2026CAIII · Driver-only0DEEP BROTHER TRANSPORT INC 36326694VB1366/CA
Feb 9, 2026CAIII · Driver-only1DEEP BROTHER TRANSPORT INC 36326694VB1366/CA
Jan 21, 2026NEIII · Driver-only2DEEP BROTHER TRANSPORT INC 36326694VB1366/CA
Jan 20, 2026OHIII · Driver-only0DEEP BROTHER TRANSPORT INC 36326694VB1366/CA
Jan 15, 2025UTIII · Driver-only2AGAM TRANSPORT INC 31354974VB1366/CA
Aug 14, 2024IAIII · Driver-only2AGAM TRANSPORT INC 31354974VB1366/CA
Feb 21, 2024INIII · Driver-only2AGAM TRANSPORT INC 31354974VB1366/CA
Jun 26, 2023CAIII · Driver-only3AGAM TRANSPORT INC 31354974VB1366/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DEEP BROTHER TRANSPORT INC3632669Jan 20, 2026Jul 3, 20265CA
AGAM TRANSPORT INC3135497Jun 26, 2023Jan 15, 20254CA
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.
4VB1366CA2DEEP BROTHER TRANSPORT INCJan 20, 2026Jul 3, 20265
4VB1366CAAGAM TRANSPORT INCJun 26, 2023Jan 15, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026