Equipment unit · VIN-decoded · NHTSA vPIC

2025 Great Dane Trailers

1GR4M9623SH722429 · Trailer · TRAILER
Freedom
Carriers run under3
15 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJun 24, 2024
CT
Last seenSep 11, 2025
MD
Inspected under 3 different carriers in 15 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
1GR4M9623SH722429
Make
Great Dane Trailers
Model
Great Dane Trailers
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 19, 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1995 or 2025

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

North American serial sequence
722429

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
2025

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 24, 2024 – Sep 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 11, 2025MDII · Walk-around0J R C TRANSPORTATION INC 2541455303865/ME
Jan 30, 2025NHII · Walk-around6AMN TRANSPORTS INC 21644755303865/ME
Jun 24, 2024CTII · Walk-around5ISRI & SONS TRUCKING INC 32201175303865/ME
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J R C TRANSPORTATION INC254145Sep 11, 2025Sep 11, 20251CT
AMN TRANSPORTS INC2164475Jan 30, 2025Jan 30, 20251NJ
ISRI & SONS TRUCKING INC3220117Jun 24, 2024Jun 24, 20241CT
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.
5303865MEJ R C TRANSPORTATION INCSep 11, 2025Sep 11, 20251
5303865MEAMN TRANSPORTS INCJan 30, 2025Jan 30, 20251
5303865MEISRI & SONS TRUCKING INCJun 24, 2024Jun 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026