Equipment unit · VIN-decoded · NHTSA vPIC

2009 Kenworth W9 Series

1XKWD40X29J252525 · Truck-Tractor · TRUCK
W900
Carriers run under1
18 mo
Inspections5
all-time
OOS inspections1
of 5
First seenOct 12, 2024
US
Last seenApr 13, 2026
US
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKWD40X29J252525
Make
Kenworth
Model
W9 Series
Model year
2009
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WD40X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
2009 or 2039

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

North American serial sequence
252525

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 · 1,108 decoded VINs at 99.0% prefix purity.

Model
W9 Series

Prefix basis · 1,108 decoded VINs at 99.0% prefix purity.

Model line
W900

Sourced label · prefix basis 1,108 decoded VINs at 99.0% 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
2009

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-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

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 · Oct 12, 2024 – Apr 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 13, 2026USIII · Driver-only0HELENA PETERS NEUFELD 1936608EC6444A/CI
Oct 23, 2025NMIII · Driver-only0HELENA PETERS NEUFELD 1936608EC6444A/MX
Oct 21, 2025USIII · Driver-only0HELENA PETERS NEUFELD 1936608EC6444A/CI
Jul 28, 2025USI · Full2OOSHELENA PETERS NEUFELD 1936608EC6444A/CI
Oct 12, 2024USIII · Driver-only0HELENA PETERS NEUFELD 1936608EC6444A/CI
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HELENA PETERS NEUFELD1936608Oct 12, 2024Apr 13, 20265CI
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.
EC6444ACIHELENA PETERS NEUFELDOct 12, 2024Apr 13, 20264
EC6444AMXHELENA PETERS NEUFELDOct 23, 2025Oct 23, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026