Equipment unit · VIN-decoded · NHTSA vPIC

2023 Kenworth W9 Series

1NKWL49X8PR255959 · Truck · INCOMPLETE VEHICLE
W900
Carriers run under1
27 mo
Inspections6
all-time
OOS inspections0
of 6
First seenDec 19, 2023
CA
Last seenMar 23, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKWL49X8PR255959
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 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
WL49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
255959

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 · 84 decoded VINs at 92.9% prefix purity.

Model
W9 Series

Prefix basis · 84 decoded VINs at 92.9% prefix purity.

Model line
W900

Sourced label · prefix basis 84 decoded VINs at 92.9% 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
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 · Dec 19, 2023 – Mar 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 23, 2026CAII · Walk-around0J&R LOGGING INC 268542646210N3/CA
Dec 9, 2025CAII · Walk-around0J&R LOGGING INC 268542657961D4/CA
Nov 26, 2025CAIII · Driver-only0J&R LOGGING INC 268542657961D4/CA
Feb 27, 2025CAIII · Driver-only0J&R LOGGING INC 268542646210N3/CA
Aug 28, 2024CAII · Walk-around0J&R LOGGING INC 268542646210N3/CA
Dec 19, 2023CAIII · Driver-only0J&R LOGGING INC 268542646210N3/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J&R LOGGING INC2685426Dec 19, 2023Mar 23, 20266CA
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.
46210N3CAJ&R LOGGING INCDec 19, 2023Mar 23, 20264
57961D4CAJ&R LOGGING INCNov 26, 2025Dec 9, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026