Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth W9 Series

1XKWP40X1LJ358205 · Truck-Tractor · TRUCK
Carriers run under3
30 mo
Inspections5
all-time
OOS inspections2
of 5
First seenAug 14, 2023
WY
Last seenFeb 26, 2026
TX
Inspected under 3 different carriers in 30 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
1XKWP40X1LJ358205
Make
Kenworth
Model
W9 Series
Model year
2020
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
WP40X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1990 or 2020

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

North American serial sequence
358205

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 · 131 decoded VINs at 100.0% prefix purity.

Model
W9 Series

Prefix basis · 131 decoded VINs at 100.0% prefix purity.

Model line
W900

Sourced label · prefix basis 131 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
2020

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 14, 2023 – Feb 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 26, 2026TXII · Walk-around5WYO TRUCKING LLC 2555230A23789/WY
Apr 23, 2025WYV · Vehicle-only2OOSWYO TRUCKING LLC 2555230A23789/WY
Mar 10, 2025MTII · Walk-around1OOSRDF EXPRESS LLC 3378988PR52837/SD
Dec 15, 2024SDIII · Driver-only3WADE MONTGOMERY 2275301PR52837/SD
Aug 14, 2023WYII · Walk-around4RDF EXPRESS LLC 337898848855/SD
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WYO TRUCKING LLC2555230Apr 23, 2025Feb 26, 20262WY
RDF EXPRESS LLC3378988Aug 14, 2023Mar 10, 20252SD
WADE MONTGOMERY2275301Dec 15, 2024Dec 15, 20241SD
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.
A23789WYWYO TRUCKING LLCApr 23, 2025Feb 26, 20262
PR52837SDRDF EXPRESS LLCMar 10, 2025Mar 10, 20251
PR52837SDWADE MONTGOMERYDec 15, 2024Dec 15, 20241
48855SDRDF EXPRESS LLCAug 14, 2023Aug 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026