Equipment unit · VIN-decoded · NHTSA vPIC

2009 Kenworth T8 Series

1NKDL40X29J254358 · Truck · INCOMPLETE VEHICLE
T800
Carriers run under2
33 mo
Inspections4
all-time
OOS inspections1
of 4
First seenSep 20, 2023
PA
Last seenJun 30, 2026
PA
Inspected under 2 different carriers in 33 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKDL40X29J254358
Make
Kenworth
Model
T8 Series
Model year
2009
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
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
DL40X

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
254358

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
2009

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 · Sep 20, 2023 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026PAII · Walk-around2OOSDREWS MOWING SERVICE LLC 1155749AH66771/PA
Feb 20, 2024PAII · Walk-around3FOUR BROS LLC 3293007AH24825/PA
Feb 6, 2024PAIII · Driver-only2FOUR BROS LLC 3293007AH24825/PA
Sep 20, 2023PAIII · Driver-only0DREWS MOWING SERVICE LLC 1155749AH24825/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DREWS MOWING SERVICE LLC1155749Sep 20, 2023Jun 30, 20262PA
FOUR BROS LLC3293007Feb 6, 2024Feb 20, 20242PA
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.
AH66771PA1DREWS MOWING SERVICE LLCJun 30, 2026Jun 30, 20261
AH24825PAFOUR BROS LLCFeb 6, 2024Feb 20, 20242
AH24825PADREWS MOWING SERVICE LLCSep 20, 2023Sep 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026