Equipment unit · VIN-decoded · NHTSA vPIC

1GR1A0621SD633912

Not yet decoded
Everest (reefer)
Carriers run under2
17 mo
Inspections2
all-time
OOS inspections0
of 2
First seenOct 31, 2024
NY
Last seenMar 3, 2026
ME
Inspected under 2 different carriers in 17 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
1A062

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
633912

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 · 13,972 decoded VINs at 100.0% prefix purity.

Model
Great Dane Trailers

Prefix basis · 13,972 decoded VINs at 100.0% prefix purity.

Model line
Everest (reefer)

Sourced label · prefix basis 13,972 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 · Oct 31, 2024 – Mar 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 3, 2026MEIII · Driver-only0LYNCH LOGISTICS INC 5173265368474/ME
Oct 31, 2024NYIII · Driver-only2ROGER W HEATH 10826285368474/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LYNCH LOGISTICS INC517326Mar 3, 2026Mar 3, 20261ME
ROGER W HEATH1082628Oct 31, 2024Oct 31, 20241NH
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.
5368474MELYNCH LOGISTICS INCMar 3, 2026Mar 3, 20261
5368474MEROGER W HEATHOct 31, 2024Oct 31, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC