Equipment unit · VIN-decoded · NHTSA vPIC

1GT42WEY4KF256896

Not yet decoded
Carriers run under1
6 mo
Inspections2
all-time
OOS inspections0
of 2
First seenAug 27, 2025
NC
Last seenFeb 10, 2026
VA
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
1GT

Deterministic · VIN positions 1–3.

Vehicle descriptor section
42WEY

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
256896

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
GMC

Prefix basis · 43 decoded VINs at 100.0% prefix purity.

Model
Sierra HD

Prefix basis · 43 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 27, 2025 – Feb 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 10, 2026VAIII · Driver-only0BIG HEAD BROTHAZ LLC 376113559541P/VA
Aug 27, 2025NCI · Full1BIG HEAD BROTHAZ LLC 376113559541P/VA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG HEAD BROTHAZ LLC3761135Aug 27, 2025Feb 10, 20262VA
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.
59541PVABIG HEAD BROTHAZ LLCAug 27, 2025Feb 10, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC