Equipment unit · VIN-decoded · NHTSA vPIC

1GR4M9623KH166784

Not yet decoded
Freedom
Carriers run under2
28 mo
Inspections2
all-time
OOS inspections0
of 2
First seenAug 23, 2023
SC
Last seenDec 31, 2025
VA
Inspected under 2 different carriers in 28 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
1989 or 2019

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

North American serial sequence
166784

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.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 23, 2023 – Dec 31, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 31, 2025VAIII · Driver-only0BIG BOY EXPRESS LLC 37662205463766/ME
Aug 23, 2023SCIII · Driver-only1J PERSON TRUCKING LLC 32407992661236/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG BOY EXPRESS LLC3766220Dec 31, 2025Dec 31, 20251NC
J PERSON TRUCKING LLC3240799Aug 23, 2023Aug 23, 20231NC
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.
5463766MEBIG BOY EXPRESS LLCDec 31, 2025Dec 31, 20251
2661236MEJ PERSON TRUCKING LLCAug 23, 2023Aug 23, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC