Equipment unit · VIN-decoded · NHTSA vPIC

2023 Kenworth W9 Series

1XKWD49X1PR255756 · Truck-Tractor · TRUCK
W900
Carriers run under2
19 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJul 12, 2024
OK
Last seenFeb 12, 2026
MD
Inspected under 2 different carriers in 19 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
1XKWD49X1PR255756
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
WD49X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
255756

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 · 5,845 decoded VINs at 94.7% prefix purity.

Model
W9 Series

Prefix basis · 5,845 decoded VINs at 94.7% prefix purity.

Model line
W900

Sourced label · prefix basis 5,845 decoded VINs at 94.7% 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 12, 2024 – Feb 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 12, 2026MDII · Walk-around0SALLEE INC 668590R776832/TX
Jun 2, 2025TXII · Walk-around0ROCKING T INC 975449R776832/TX
May 12, 2025TXIII · Driver-only3ROCKING T INC 975449R776832/TX
May 4, 2025MSIII · Driver-only0ROCKING T INC 975449R776832/TX
Jul 12, 2024OKIII · Driver-only1ROCKING T INC 975449R612137/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SALLEE INC668590Feb 12, 2026Feb 12, 20261KS
ROCKING T INC975449Jul 12, 2024Jun 2, 20254TX
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.
R776832TXSALLEE INCFeb 12, 2026Feb 12, 20261
R776832TXROCKING T INCMay 4, 2025Jun 2, 20253
R612137TXROCKING T INCJul 12, 2024Jul 12, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026