Equipment unit · VIN-decoded · NHTSA vPIC

1GR4M0621LH183662

Not yet decoded
Freedom
Carriers run under2
8 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJun 17, 2024
VA
Last seenFeb 18, 2025
MD
Inspected under 2 different carriers in 8 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
4M062

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1990 or 2020

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

North American serial sequence
183662

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 17, 2024 – Feb 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 18, 2025MDIII · Driver-only0YODERS TRUCKING LLC 3258346002131T/TN
Jun 17, 2024VAIII · Driver-only0TWAN'S TRANSPORT LLC 3983863002131T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
YODERS TRUCKING LLC3258346Feb 18, 2025Feb 18, 20251MD
TWAN'S TRANSPORT LLC3983863Jun 17, 2024Jun 17, 20241VA
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.
002131TTNYODERS TRUCKING LLCFeb 18, 2025Feb 18, 20251
002131TTNTWAN'S TRANSPORT LLCJun 17, 2024Jun 17, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC