Equipment unit · VIN-decoded · NHTSA vPIC

2012 Kenworth T8 Series

1NKDX40X4CJ335065 · Truck · INCOMPLETE VEHICLE
T800
Carriers run under2
30 mo
Inspections8
all-time
OOS inspections5
of 8
First seenJul 7, 2023
WA
Last seenJan 12, 2026
WA
Inspected under 2 different carriers in 30 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
1NKDX40X4CJ335065
Make
Kenworth
Model
T8 Series
Model year
2012
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
DX40X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1982 or 2012

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

North American serial sequence
335065

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 · 89 decoded VINs at 93.3% prefix purity.

Model
T8 Series

Prefix basis · 89 decoded VINs at 93.3% prefix purity.

Model line
T800

Sourced label · prefix basis 89 decoded VINs at 93.3% 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
2012

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 · Jul 7, 2023 – Jan 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 12, 2026WAIII · Driver-only0CHAPMAN & SON DIRTWORX LLC 4292571D36763E/WA
Apr 17, 2025WAIII · Driver-only0CHAPMAN & SON DIRTWORX LLC 4292571D36763E/WA
Apr 3, 2025WAI · Full11OOSCHAPMAN & SON DIRTWORX LLC 4292571D36763E/WA
Dec 26, 2024WAII · Walk-around5OOSCHAPMAN & SON DIRTWORX LLC 4292571D36763E/WA
Jul 10, 2024WAI · Full4CHAPMAN'S WAY INC 1305728C50666N/WA
Feb 20, 2024WAI · Full12OOSCHAPMAN'S WAY INC 1305728C50666N/WA
Oct 6, 2023WAI · Full18OOSCHAPMAN'S WAY INC 1305728C50666N/WA
Jul 7, 2023WAI · Full13OOSCHAPMAN'S WAY INC 1305728C50666N/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CHAPMAN & SON DIRTWORX LLC4292571Dec 26, 2024Jan 12, 20264WA
CHAPMAN'S WAY INC1305728Jul 7, 2023Jul 10, 20244WA
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.
D36763EWACHAPMAN & SON DIRTWORX LLCDec 26, 2024Jan 12, 20264
C50666NWACHAPMAN'S WAY INCJul 7, 2023Jul 10, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026