Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth W9 Series

1XKWP4EX4LJ389067 · Truck-Tractor · TRUCK
W900
Carriers run under1
36 mo
Inspections9
all-time
OOS inspections2
of 9
First seenJun 15, 2023
WA
Last seenJun 22, 2026
NE
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKWP4EX4LJ389067
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 21, 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
WP4EX

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
389067

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 · 209 decoded VINs at 91.9% prefix purity.

Model
W9 Series

Prefix basis · 209 decoded VINs at 91.9% prefix purity.

Model line
W900

Sourced label · prefix basis 209 decoded VINs at 91.9% 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 · Jun 15, 2023 – Jun 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 22, 2026NEIII · Driver-only1THACKER HEAVY HAUL LLC 1620400RP02923/WA
Jun 6, 2026SDIII · Driver-only1THACKER HEAVY HAUL LLC 1620400RP02923/WA
Mar 10, 2026WAII · Walk-around7OOSTHACKER HEAVY HAUL LLC 1620400RP02923/WA
Sep 24, 2024WAIII · Driver-only0THACKER HEAVY HAUL LLC 1620400RP02923/WA
Aug 22, 2024WAIII · Driver-only2THACKER HEAVY HAUL LLC 1620400RP02923/WA
May 18, 2024WYII · Walk-around0THACKER HEAVY HAUL LLC 1620400RP02923/WA
Mar 26, 2024UTIII · Driver-only0THACKER HEAVY HAUL LLC 1620400RP02923/WA
Feb 15, 2024MTIII · Driver-only1THACKER HEAVY HAUL LLC 1620400RP02923/WA
Jun 15, 2023WAII · Walk-around1OOSTHACKER HEAVY HAUL LLC 1620400RP02923/WA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THACKER HEAVY HAUL LLC1620400Jun 15, 2023Jun 22, 20269WA
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.
RP02923WA1THACKER HEAVY HAUL LLCJun 15, 2023Jun 22, 20269
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026