Equipment unit · VIN-decoded · NHTSA vPIC

2015 Kenworth W9 Series

1NKWXPEX3FJ422639 · Truck · INCOMPLETE VEHICLE
W900
Carriers run under1
30 mo
Inspections9
all-time
OOS inspections2
of 9
First seenSep 7, 2023
MD
Last seenMar 24, 2026
MD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKWXPEX3FJ422639
Make
Kenworth
Model
W9 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
WXPEX

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
422639

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 · 64 decoded VINs at 100.0% prefix purity.

Model
W9 Series

Prefix basis · 64 decoded VINs at 100.0% prefix purity.

Model line
W900

Sourced label · prefix basis 64 decoded VINs at 100.0% 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
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 · Sep 7, 2023 – Mar 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 24, 2026MDII · Walk-around3DENNIS TRUCKING LLC 948756E34445D/MD
Dec 23, 2025MDII · Walk-around2OOSDENNIS TRUCKING LLC 948756E34445D/MD
Mar 4, 2025MDII · Walk-around0DENNIS TRUCKING LLC 948756E34445D/MD
Nov 14, 2024MDII · Walk-around0DENNIS TRUCKING LLC 948756E34445D/MD
Oct 17, 2024MDII · Walk-around0DENNIS TRUCKING LLC 948756E34445D/MD
Sep 20, 2024MDII · Walk-around2OOSDENNIS TRUCKING LLC 948756E34445D/MD
Jul 26, 2024MDIII · Driver-only0DENNIS TRUCKING LLC 948756E34445D/MD
Oct 19, 2023MDIII · Driver-only0DENNIS TRUCKING LLC 948756E34445D/MD
Sep 7, 2023MDII · Walk-around1DENNIS TRUCKING LLC 948756E34445D/MD
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DENNIS TRUCKING LLC948756Sep 7, 2023Mar 24, 20269MD
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.
E34445DMDDENNIS TRUCKING LLCSep 7, 2023Mar 24, 20269
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026