Equipment unit · VIN-decoded · NHTSA vPIC

Kenworth W9 Series

1NKWGGGG90J181108 · Incomplete - Glider · INCOMPLETE VEHICLE
W900
Carriers run under1
16 mo
Inspections6
all-time
OOS inspections2
of 6
First seenJun 26, 2024
IL
Last seenOct 7, 2025
AZ
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKWGGGG90J181108
Make
Kenworth
Model
W9 Series
Model year
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
Decoded at
Jun 23, 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
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
Not established

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

North American serial sequence
181108

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 · Jun 26, 2024 – Oct 7, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 7, 2025AZII · Walk-around2OOSZMAXIM CORP 4053610P993978/IL
Jul 24, 2025AZII · Walk-around9OOSZMAXIM CORP 4053610P993978/IL
Jun 30, 2025OHIII · Driver-only1ZMAXIM CORP 4053610P993978/IL
Feb 10, 2025SDIII · Driver-only1ZMAXIM CORP 4053610P9933978/IL
Dec 16, 2024MDII · Walk-around1ZMAXIM CORP 4053610P993978/IL
Jun 26, 2024ILII · Walk-around6ZMAXIM CORP 4053610P993978/IL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZMAXIM CORP4053610Jun 26, 2024Oct 7, 20256IL
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.
P993978ILZMAXIM CORPJun 26, 2024Oct 7, 20255
P9933978ILZMAXIM CORPFeb 10, 2025Feb 10, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026