Equipment unit · VIN-decoded · NHTSA vPIC

2014 Kenworth W9 Series

1NKWL49X6EJ399375 · Truck · INCOMPLETE VEHICLE
W900
Carriers run under1
29 mo
Inspections7
all-time
OOS inspections2
of 7
First seenFeb 26, 2024
CA
Last seenJul 23, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKWL49X6EJ399375
Make
Kenworth
Model
W9 Series
Model year
2014
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 27, 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
WL49X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1984 or 2014

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

North American serial sequence
399375

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 · 84 decoded VINs at 92.9% prefix purity.

Model
W9 Series

Prefix basis · 84 decoded VINs at 92.9% prefix purity.

Model line
W900

Sourced label · prefix basis 84 decoded VINs at 92.9% 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
2014

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

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 · Feb 26, 2024 – Jul 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 23, 2026CAI · Full3OOSISRINGHAUSEN ENTERPRISES INC 277496405334K1/CA
Jun 24, 2026CAI · Full2ISRINGHAUSEN ENTERPRISES INC 277496405334K1/CA
Mar 25, 2025CAI · Full1ISRINGHAUSEN ENTERPRISES INC 277496405334K1/CA
Jan 17, 2025CAII · Walk-around0ISRINGHAUSEN ENTERPRISES INC 277496405334K1/CA
Oct 31, 2024CAI · Full1ISRINGHAUSEN ENTERPRISES INC 277496405334K1/CA
Aug 26, 2024CAI · Full3ISRINGHAUSEN ENTERPRISES INC 277496405334K1/CA
Feb 26, 2024CAI · Full3OOSISRINGHAUSEN ENTERPRISES INC 277496405334K1/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ISRINGHAUSEN ENTERPRISES INC2774964Feb 26, 2024Jul 23, 20267CA
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.
05334K1CA1ISRINGHAUSEN ENTERPRISES INCFeb 26, 2024Jul 23, 20267
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 27, 2026