Equipment unit · VIN-decoded · NHTSA vPIC

2019 Kenworth T880

1NKZX4EX5KJ257313 · Truck · INCOMPLETE VEHICLE
Carriers run under1
14 mo
Inspections4
all-time
OOS inspections0
of 4
First seenAug 9, 2023
WA
Last seenOct 15, 2024
WA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKZX4EX5KJ257313
Make
Kenworth
Model
T880
Model year
2019
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 6, 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
ZX4EX

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
257313

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 · 691 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 691 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
2019

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 9, 2023 – Oct 15, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 15, 2024WAII · Walk-around1NORTHWEST ROCK INC 1067016C91080M/WA
May 22, 2024WAII · Walk-around1NORTHWEST ROCK INC 1067016C91080M/WA
Jan 11, 2024WAII · Walk-around0NORTHWEST ROCK INC 1067016C91080M/WA
Aug 9, 2023WAIII · Driver-only2NORTHWEST ROCK INC 1067016C91080M/WA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NORTHWEST ROCK INC1067016Aug 9, 2023Oct 15, 20244WA
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.
C91080MWANORTHWEST ROCK INCAug 9, 2023Oct 15, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026