Equipment unit · VIN-decoded · NHTSA vPIC

2019 Kenworth W9 Series

1XKWD49X4KJ256990 · Truck-Tractor · TRUCK
W900
Carriers run under1
27 mo
Inspections5
all-time
OOS inspections0
of 5
First seenMar 19, 2024
AL
Last seenJun 12, 2026
MS
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKWD49X4KJ256990
Make
Kenworth
Model
W9 Series
Model year
2019
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
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1989 or 2019

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

North American serial sequence
256990

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
2019

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 · Mar 19, 2024 – Jun 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 12, 2026MSI · Full0SLAY TRANSPORTATION COMPANY INC 77890P1168182/IL
Mar 19, 2025GAII · Walk-around0SLAY TRANSPORTATION COMPANY INC 77890P1168182/IL
Feb 11, 2025AZII · Walk-around0SLAY TRANSPORTATION COMPANY INC 77890P1168182/IL
Aug 16, 2024WVII · Walk-around0SLAY TRANSPORTATION COMPANY INC 77890P1168182/IL
Mar 19, 2024ALII · Walk-around2SLAY TRANSPORTATION COMPANY INC 77890P1168182/IL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SLAY TRANSPORTATION COMPANY INC77890Mar 19, 2024Jun 12, 20265IL
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.
P1168182IL1SLAY TRANSPORTATION COMPANY INCMar 19, 2024Jun 12, 20265
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026