Equipment unit · VIN-decoded · NHTSA vPIC

2023 Kenworth W9 Series

1XKWP4TX7PR255549 · Truck-Tractor · TRUCK
W900
Carriers run under1
32 mo
Inspections5
all-time
OOS inspections0
of 5
First seenAug 28, 2023
WA
Last seenApr 21, 2026
SD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKWP4TX7PR255549
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
Jun 28, 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
1993 or 2023

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

North American serial sequence
255549

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
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 · Aug 28, 2023 – Apr 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 21, 2026SDIII · Driver-only0ROTOCHOPPER INC 989200PZA7138/MN
Apr 16, 2025INIII · Driver-only3ROTOCHOPPER INC 989200PZA7138/MN
Feb 5, 2024NMIII · Driver-only1ROTOCHOPPER INC 989200PZA7138/MN
Dec 27, 2023INIII · Driver-only1ROTOCHOPPER INC 989200PZA7138/MN
Aug 28, 2023WAIII · Driver-only0ROTOCHOPPER INC 989200PAU8442/MN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROTOCHOPPER INC989200Aug 28, 2023Apr 21, 20265MN
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.
PZA7138MNROTOCHOPPER INCDec 27, 2023Apr 21, 20264
PAU8442MNROTOCHOPPER INCAug 28, 2023Aug 28, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026