Equipment unit · VIN-decoded · NHTSA vPIC

2023 Great Dane Trailers

1GR4M0624PH457779 · Trailer · TRAILER
Freedom
Carriers run under3
39 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJun 16, 2023
WA
Last seenSep 16, 2026
IL
Inspected under 3 different carriers in 39 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
1GR4M0624PH457779
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 18, 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
4M062

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
457779

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 · 2,215 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 2,215 decoded VINs at 100.0% prefix purity.

Model line
Freedom

Sourced label · prefix basis 2,215 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 · Jun 16, 2023 – Sep 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 16, 2026ILII · Walk-around7OOSTRB EXPRESS LLC 3976421931872ST/IL
Jun 5, 2025LAI · Full0—D1 TRANSPORTATION LLC 3827693931872ST/IL
Jun 16, 2023WAII · Walk-around1OOSTUTASH EXPRESS INC 3487141931872ST/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRB EXPRESS LLC3976421Sep 16, 2026Sep 16, 20261OH
D1 TRANSPORTATION LLC3827693Jun 5, 2025Jun 5, 20251IL
TUTASH EXPRESS INC3487141Jun 16, 2023Jun 16, 20231IL
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.
931872STIL2TRB EXPRESS LLCSep 16, 2026 → Sep 16, 20261
931872STIL—D1 TRANSPORTATION LLCJun 5, 2025 → Jun 5, 20251
931872STIL—TUTASH EXPRESS INCJun 16, 2023 → Jun 16, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 18, 2026