Equipment unit · VIN-decoded · NHTSA vPIC

2009 Kenworth W9 Series

1XKWP4TX79J258694 · Truck-Tractor · TRUCK
W900
Carriers run under2
6 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJun 19, 2024
PA
Last seenDec 4, 2024
WV
Inspected under 2 different carriers in 6 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKWP4TX79J258694
Make
Kenworth
Model
W9 Series
Model year
2009
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 10, 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
WP4TX

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
2009 or 2039

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

North American serial sequence
258694

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 · 277 decoded VINs at 100.0% prefix purity.

Model
W9 Series

Prefix basis · 277 decoded VINs at 100.0% prefix purity.

Model line
W900

Sourced label · prefix basis 277 decoded VINs at 100.0% 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
2009

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 · Jun 19, 2024 – Dec 4, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 4, 2024WVII · Walk-around2PIERGALLINI & SONS TRUCKING INC 572345PWQ8437/OH
Nov 27, 2024INIII · Driver-only1PIERGALLINI TRUCKING LLC 4186877PWQ8437/OH
Aug 5, 2024OHIII · Driver-only0PIERGALLINI TRUCKING LLC 4186877PWQ8437/OH
Jun 19, 2024PAII · Walk-around7OOSPIERGALLINI TRUCKING LLC 4186877PWQ8437/OH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PIERGALLINI & SONS TRUCKING INC572345Dec 4, 2024Dec 4, 20241OH
PIERGALLINI TRUCKING LLC4186877Jun 19, 2024Nov 27, 20243OH
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.
PWQ8437OHPIERGALLINI & SONS TRUCKING INCDec 4, 2024Dec 4, 20241
PWQ8437OHPIERGALLINI TRUCKING LLCJun 19, 2024Nov 27, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 10, 2026