Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T880

1NKZX40X4LJ376530 · Truck · INCOMPLETE VEHICLE
Carriers run under3
30 mo
Inspections6
all-time
OOS inspections2
of 6
First seenAug 29, 2023
WA
Last seenFeb 12, 2026
WA
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
1NKZX40X4LJ376530
Make
Kenworth
Model
T880
Model year
2020
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 23, 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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
ZX40X

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
376530

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 · 198 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 198 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

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
T880

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 29, 2023 – Feb 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 12, 2026WAII · Walk-around3NICHOLAS WORLEY TRUCKING INC 2785878D37812J/WA
Oct 7, 2025WAIII · Driver-only1SKY LINE TRUCKING INC 1854431D33560G/WA
Oct 3, 2025WAII · Walk-around0SKY LINE TRUCKING INC 1854431D33560G/WA
Sep 16, 2025WAIII · Driver-only1SKY LINE TRUCKING INC 1854431D33560G/WA
Sep 8, 2023WAI · Full3OOSNORTH HILLS LOGGING INC 3403706D90704A/WA
Aug 29, 2023WAI · Full3OOSNORTH HILLS LOGGING INC 3403706D90704A/WA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NICHOLAS WORLEY TRUCKING INC2785878Feb 12, 2026Feb 12, 20261WA
SKY LINE TRUCKING INC1854431Sep 16, 2025Oct 7, 20253WA
NORTH HILLS LOGGING INC3403706Aug 29, 2023Sep 8, 20232WA
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.
D37812JWANICHOLAS WORLEY TRUCKING INCFeb 12, 2026Feb 12, 20261
D33560GWASKY LINE TRUCKING INCSep 16, 2025Oct 7, 20253
D90704AWANORTH HILLS LOGGING INCAug 29, 2023Sep 8, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026