Equipment unit · VIN-decoded · NHTSA vPIC

Kenworth W9 Series

1NKWGGGG00J394173 · Incomplete - Glider · INCOMPLETE VEHICLE
W900
Carriers run under1
12 mo
Inspections3
all-time
OOS inspections0
of 3
First seenAug 15, 2024
LA
Last seenAug 21, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKWGGGG00J394173
Make
Kenworth
Model
W9 Series
Model year
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
Decoded at
Jul 26, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
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
WGGGG

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
Not established

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

North American serial sequence
394173

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 · 753 decoded VINs at 99.9% prefix purity.

Model
W9 Series

Prefix basis · 753 decoded VINs at 99.9% prefix purity.

Model line
W900

Sourced label · prefix basis 753 decoded VINs at 99.9% 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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
W9 Series

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Incomplete - Glider

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model year
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 15, 2024 – Aug 21, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 21, 2025TXII · Walk-around0ALPINE SITE SERVICES INC 1450089185XBB/CO
May 29, 2025LAI · Full0ALPINE SITE SERVICES INC 1450089185XBB/CO
Aug 15, 2024LAIII · Driver-only0ALPINE SITE SERVICES INC 1450089185XBB/CO
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALPINE SITE SERVICES INC1450089Aug 15, 2024Aug 21, 20253CO
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.
185XBBCOALPINE SITE SERVICES INCAug 15, 2024Aug 21, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026