Equipment unit · VIN-decoded · NHTSA vPIC

2008 Kenworth W9 Series

1NKWX40X78R233924 · Truck · INCOMPLETE VEHICLE
W900
Carriers run under1
24 mo
Inspections3
all-time
OOS inspections1
of 3
First seenSep 15, 2023
NV
Last seenSep 26, 2025
NV
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKWX40X78R233924
Make
Kenworth
Model
W9 Series
Model year
2008
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
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
WX40X

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
2008 or 2038

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

North American serial sequence
233924

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.

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
2008

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 · Sep 15, 2023 – Sep 26, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 26, 2025NVII · Walk-around3OOSBIG SLICK PETROLUEM LLC 314551773276A/NV
Jan 23, 2024NVII · Walk-around4BIG SLICK PETROLUEM LLC 314551773276A/NV
Sep 15, 2023NVII · Walk-around1BIG SLICK PETROLUEM LLC 3145517110214P/NV
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG SLICK PETROLUEM LLC3145517Sep 15, 2023Sep 26, 20253NV
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.
73276ANVBIG SLICK PETROLUEM LLCJan 23, 2024Sep 26, 20252
110214PNVBIG SLICK PETROLUEM LLCSep 15, 2023Sep 15, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026