Equipment unit · VIN-decoded · NHTSA vPIC

2015 Kenworth T8 Series

1NKDL40X4FJ447557 · Truck · INCOMPLETE VEHICLE
T800
Carriers run under1
21 mo
Inspections9
all-time
OOS inspections3
of 9
First seenNov 21, 2023
AL
Last seenAug 27, 2025
AL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKDL40X4FJ447557
Make
Kenworth
Model
T8 Series
Model year
2015
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
DL40X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1985 or 2015

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

North American serial sequence
447557

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.

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
2015

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T8 Series

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 21, 2023 – Aug 27, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 27, 2025ALI · Full2OOSSPECTRUM INDUSTRIAL SERVICES INC 7340471216106/AL
Jul 11, 2025ALII · Walk-around0SPECTRUM INDUSTRIAL SERVICES INC 7340471216106/AL
Jun 17, 2025ALII · Walk-around3OOSSPECTRUM INDUSTRIAL SERVICES INC 7340471216106/AL
Apr 17, 2025ALII · Walk-around1SPECTRUM INDUSTRIAL SERVICES INC 7340471216106/AL
Oct 15, 2024ALII · Walk-around0SPECTRUM INDUSTRIAL SERVICES INC 7340471172931/AL
Aug 30, 2024ALIII · Driver-only0SPECTRUM INDUSTRIAL SERVICES INC 7340471172931/AL
Jul 10, 2024ALII · Walk-around1OOSSPECTRUM INDUSTRIAL SERVICES INC 7340471172931/AL
May 28, 2024ALIII · Driver-only0SPECTRUM INDUSTRIAL SERVICES INC 7340471172931/AL
Nov 21, 2023ALII · Walk-around0SPECTRUM INDUSTRIAL SERVICES INC 7340471172931/AL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPECTRUM INDUSTRIAL SERVICES INC734047Nov 21, 2023Aug 27, 20259AL
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.
1216106ALSPECTRUM INDUSTRIAL SERVICES INCApr 17, 2025Aug 27, 20254
1172931ALSPECTRUM INDUSTRIAL SERVICES INCNov 21, 2023Oct 15, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026