Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth W9 Series

1XKWD40X0SR981596 · Truck-Tractor · TRUCK
W900
Carriers run under2
18 mo
Inspections3
all-time
OOS inspections1
of 3
First seenSep 30, 2024
ID
Last seenMar 20, 2026
WA
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
1XKWD40X0SR981596
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 26, 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
WD40X

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
981596

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 · 1,108 decoded VINs at 99.0% prefix purity.

Model
W9 Series

Prefix basis · 1,108 decoded VINs at 99.0% prefix purity.

Model line
W900

Sourced label · prefix basis 1,108 decoded VINs at 99.0% 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 · Sep 30, 2024 – Mar 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 20, 2026WAIII · Driver-only3OOSR-KO TRUCK LINES LTD 2376465A89541/AB
Apr 14, 2025WIIII · Driver-only0R-KO TRUCK LINES LTD 2376465A89541/AB
Sep 30, 2024IDI · Full1ACTIVE CANADA INC 338764NO PLATE/US
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
R-KO TRUCK LINES LTD2376465Apr 14, 2025Mar 20, 20262AB
ACTIVE CANADA INC338764Sep 30, 2024Sep 30, 20241QC
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.
A89541ABR-KO TRUCK LINES LTDApr 14, 2025Mar 20, 20262
NO PLATEUSACTIVE CANADA INCSep 30, 2024Sep 30, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026