Equipment unit · VIN-decoded · NHTSA vPIC

2023 Kenworth W9 Series

1XKWD40X4PR256798 · Truck-Tractor · TRUCK
W900
Carriers run under1
36 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJul 7, 2023
LA
Last seenJul 8, 2026
LA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKWD40X4PR256798
Make
Kenworth
Model
W9 Series
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WD40X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
256798

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 · 1,108 decoded VINs at 99.0% prefix purity.

Model
W9 Series

Prefix basis · 1,108 decoded VINs at 99.0% prefix purity.

Model line
W900

Sourced label · prefix basis 1,108 decoded VINs at 99.0% 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-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

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 – Jul 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 8, 2026LAI · Full0TONY COOK CONSTRUCTION LLC 3691696P278660/LA
Apr 11, 2025TXI · Full1TONY COOK CONSTRUCTION LLC 3691696P278660/LA
Oct 30, 2024LAII · Walk-around0TONY COOK CONSTRUCTION LLC 3691696P278660/LA
Jul 7, 2023LAII · Walk-around0TONY COOK CONSTRUCTION LLC 3691696P278660/LA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TONY COOK CONSTRUCTION LLC3691696Jul 7, 2023Jul 8, 20264LA
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.
P278660LA1TONY COOK CONSTRUCTION LLCJul 7, 2023Jul 8, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026