Equipment unit · VIN-decoded · NHTSA vPIC

Kenworth W9 Series

1NKWGGGG40J439129 · Incomplete - Glider · INCOMPLETE VEHICLE
W900
Carriers run under1
22 mo
Inspections5
all-time
OOS inspections0
of 5
First seenSep 4, 2024
IA
Last seenJul 25, 2026
CO
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKWGGGG40J439129
Make
Kenworth
Model
W9 Series
Model year
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
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
WGGGG

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
Not established

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

North American serial sequence
439129

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 · 753 decoded VINs at 99.9% prefix purity.

Model
W9 Series

Prefix basis · 753 decoded VINs at 99.9% prefix purity.

Model line
W900

Sourced label · prefix basis 753 decoded VINs at 99.9% 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
Not established

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
Incomplete - Glider

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model year
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 4, 2024 – Jul 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 25, 2026COIII · Driver-only1DELABARRE TRUCKING LLC 131866646495P/ND
May 22, 2026COIII · Driver-only0DELABARRE TRUCKING LLC 131866646495P/ND
Dec 29, 2025MTII · Walk-around0DELABARRE TRUCKING LLC 131866646495P/ND
Aug 19, 2025NDIII · Driver-only0DELABARRE TRUCKING LLC 131866646495P/ND
Sep 4, 2024IAII · Walk-around4DELABARRE TRUCKING LLC 1318666TEMP/ND
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DELABARRE TRUCKING LLC1318666Sep 4, 2024Jul 25, 20265ND
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.
46495PND1DELABARRE TRUCKING LLCAug 19, 2025Jul 25, 20264
TEMPNDDELABARRE TRUCKING LLCSep 4, 2024Sep 4, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026