Equipment unit · VIN-decoded · NHTSA vPIC

1NKDL40X4BJ281454

Not yet decoded
T800
Carriers run under1
15 mo
Inspections2
all-time
OOS inspections1
of 2
First seenApr 23, 2024
CA
Last seenJul 25, 2025
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
DL40X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1981 or 2011

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

North American serial sequence
281454

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 · 469 decoded VINs at 92.1% prefix purity.

Model
T8 Series

Prefix basis · 469 decoded VINs at 92.1% prefix purity.

Model line
T800

Sourced label · prefix basis 469 decoded VINs at 92.1% 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.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Apr 23, 2024 – Jul 25, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 25, 2025CAI · Full4OOSSTEVE WILLS TRUCKING AND LOGGING LLC 14445608Y83524/CA
Apr 23, 2024CAI · Full1STEVE WILLS TRUCKING AND LOGGING LLC 14445608Y83524/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STEVE WILLS TRUCKING AND LOGGING LLC1444560Apr 23, 2024Jul 25, 20252CA
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.
8Y83524CASTEVE WILLS TRUCKING AND LOGGING LLCApr 23, 2024Jul 25, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC