Equipment unit · VIN-decoded · NHTSA vPIC

1NKWX40X1EJ393999

Not yet decoded
W900
Carriers run under1
23 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJun 12, 2024
CO
Last seenMay 26, 2026
CA
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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WX40X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1984 or 2014

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

North American serial sequence
393999

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
KENWORTH

Prefix basis · 72 decoded VINs at 97.2% prefix purity.

Model
W9 Series

Prefix basis · 72 decoded VINs at 97.2% prefix purity.

Model line
W900

Sourced label · prefix basis 72 decoded VINs at 97.2% 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 12, 2024 – May 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 26, 2026CAII · Walk-around2TIMBERLINE HELICOPTERS INC 1654604BG9141/ID
Jun 12, 2024COIII · Driver-only1TIMBERLINE HELICOPTERS INC 1654604BG9141/ID
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TIMBERLINE HELICOPTERS INC1654604Jun 12, 2024May 26, 20262ID
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.
BG9141IDTIMBERLINE HELICOPTERS INCJun 12, 2024May 26, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC