Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth W9 Series

1XKWP4TX5SR173554 · Truck-Tractor · TRUCK
W900
Carriers run under2
18 mo
Inspections6
all-time
OOS inspections3
of 6
First seenFeb 8, 2025
IA
Last seenAug 3, 2026
CA
Inspected under 2 different carriers in 18 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
1XKWP4TX5SR173554
Make
Kenworth
Model
W9 Series
Model year
2025
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
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1995 or 2025

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

North American serial sequence
173554

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
2025

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 · Feb 8, 2025 – Aug 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 3, 2026CAII · Walk-around5OOSHEAVY HAUL KING LLC 4419625PXC4864/OH
Jul 28, 2026WAII · Walk-around2OOSHEAVY HAUL KING LLC 4419625PXC4864/OH
Jun 24, 2026PAIII · Driver-only3HEAVY HAUL KING LLC 4419625PXC4864/OH
Mar 12, 2026WIII · Walk-around12OOSHEAVY HAUL KING LLC 4419625PXC4864/OH
Aug 19, 2025LAII · Walk-around5HEAVY HAUL TRANSPORT LLC 3507944PXC4864/OH
Feb 8, 2025IAIII · Driver-only5HEAVY HAUL TRANSPORT LLC 3507944S807758/OH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HEAVY HAUL KING LLC4419625Mar 12, 2026Aug 3, 20264OH
HEAVY HAUL TRANSPORT LLC3507944Feb 8, 2025Aug 19, 20252OH
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.
PXC4864OH1HEAVY HAUL KING LLCMar 12, 2026Aug 3, 20264
PXC4864OHHEAVY HAUL TRANSPORT LLCAug 19, 2025Aug 19, 20251
S807758OHHEAVY HAUL TRANSPORT LLCFeb 8, 2025Feb 8, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 10, 2026