Equipment unit · VIN-decoded · NHTSA vPIC

2023 Kenworth W9 Series

1NKWL40X2PR143879 · Truck · INCOMPLETE VEHICLE
W900
Carriers run under1
35 mo
Inspections13
all-time
OOS inspections2
of 13
First seenJul 7, 2023
CA
Last seenJun 2, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKWL40X2PR143879
Make
Kenworth
Model
W9 Series
Model year
2023
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 16, 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
WL40X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1993 or 2023

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

North American serial sequence
143879

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 · 193 decoded VINs at 98.5% prefix purity.

Model
W9 Series

Prefix basis · 193 decoded VINs at 98.5% prefix purity.

Model line
W900

Sourced label · prefix basis 193 decoded VINs at 98.5% 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
2023

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
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 7, 2023 – Jun 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 2, 2026CAI · Full0JACOB ROBERT VANPOOL JAMES R TAYLOR 86004139848M3/CA
Jan 14, 2026CAII · Walk-around1OOSJACOB ROBERT VANPOOL JAMES R TAYLOR 86004139848M3/CA
Sep 17, 2025CAII · Walk-around1JACOB ROBERT VANPOOL JAMES R TAYLOR 86004139848M3/CA
Jul 28, 2025CAIII · Driver-only0JACOB ROBERT VANPOOL JAMES R TAYLOR 86004139948M3/CA
Apr 30, 2025CAII · Walk-around1OOSJACOB ROBERT VANPOOL JAMES R TAYLOR 86004139848M3/CA
Feb 20, 2025CAII · Walk-around0JACOB ROBERT VANPOOL JAMES R TAYLOR 86004139848M3/CA
Jan 27, 2025CAI · Full0JACOB ROBERT VANPOOL JAMES R TAYLOR 86004139848M3/CA
Aug 5, 2024CAI · Full0JACOB ROBERT VANPOOL JAMES R TAYLOR 86004139848M3/CA
Apr 9, 2024CAI · Full0JACOB ROBERT VANPOOL JAMES R TAYLOR 86004139848M3/CA
Aug 28, 2023CAI · Full1JACOB ROBERT VANPOOL JAMES R TAYLOR 86004139848M3/CA
Jul 27, 2023CAIII · Driver-only0JACOB ROBERT VANPOOL JAMES R TAYLOR 86004139848M3/CA
Jul 10, 2023CAII · Walk-around0JACOB ROBERT VANPOOL JAMES R TAYLOR 86004139848M3/CA
Jul 7, 2023CAII · Walk-around0JACOB ROBERT VANPOOL JAMES R TAYLOR 86004139848M3/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JACOB ROBERT VANPOOL JAMES R TAYLOR860041Jul 7, 2023Jun 2, 202613CA
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.
39848M3CAJACOB ROBERT VANPOOL JAMES R TAYLORJul 7, 2023Jun 2, 202612
39948M3CAJACOB ROBERT VANPOOL JAMES R TAYLORJul 28, 2025Jul 28, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026