Equipment unit · VIN-decoded · NHTSA vPIC

2023 Great Dane Trailers

1GR4M9628PH439404 · Trailer · TRAILER
Freedom
Carriers run under3
30 mo
Inspections7
all-time
OOS inspections2
of 7
First seenDec 7, 2023
CA
Last seenJun 24, 2026
MO
Inspected under 3 different carriers in 30 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
1GR4M9628PH439404
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 23, 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
4M962

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
439404

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 · 1,834 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 1,834 decoded VINs at 100.0% prefix purity.

Model line
Freedom

Sourced label · prefix basis 1,834 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 · Dec 7, 2023 – Jun 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 24, 2026MOI · Full4OOSP&S TRANSPORTATION LLC 1243338PA75382/IN
Jul 18, 2025SCIII · Driver-only0P&S TRANSPORTATION LLC 1243338PA75382/IN
Dec 13, 2024NMIII · Driver-only0DIAMOND STATE TRUCKING & LOGISTICS LLC 937061PA75382/IN
Jul 15, 2024ILII · Walk-around2OOSDIAMOND STATE TRUCKING & LOGISTICS LLC 937061PA75382/IN
Jul 12, 2024ILII · Walk-around1P&S TRANSPORTATION LLC 1243338PA75382/IN
Mar 22, 2024TXII · Walk-around0P&S TRANSPORTATION LLC 1243338PA75382/IN
Dec 7, 2023CAI · Full0MTB TRANSPORT LLC 2393384PA75382/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
P&S TRANSPORTATION LLC1243338Mar 22, 2024Jun 24, 20264AL
DIAMOND STATE TRUCKING & LOGISTICS LLC937061Jul 15, 2024Dec 13, 20242AR
MTB TRANSPORT LLC2393384Dec 7, 2023Dec 7, 20231AL
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.
PA75382IN2P&S TRANSPORTATION LLCMar 22, 2024Jun 24, 20264
PA75382INDIAMOND STATE TRUCKING & LOGISTICS LLCJul 15, 2024Dec 13, 20242
PA75382INMTB TRANSPORT LLCDec 7, 2023Dec 7, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026