Equipment unit · VIN-decoded · NHTSA vPIC

2013 Kenworth T8 Series

1NKDL40X6DJ336859 · Truck · INCOMPLETE VEHICLE
T800
Carriers run under1
31 mo
Inspections8
all-time
OOS inspections1
of 8
First seenNov 7, 2023
PA
Last seenJun 14, 2026
PA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKDL40X6DJ336859
Make
Kenworth
Model
T8 Series
Model year
2013
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
DL40X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1983 or 2013

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

North American serial sequence
336859

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
2013

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 · Nov 7, 2023 – Jun 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 14, 2026PAII · Walk-around0M & W SERVICES LLC 3957019ZWB7667/PA
Dec 21, 2025PAII · Walk-around0M & W SERVICES LLC 3957019ZWB7667/PA
Dec 9, 2025PAIII · Driver-only0M & W SERVICES LLC 3957019ZWB7667/PA
Oct 29, 2025PAIII · Driver-only0M & W SERVICES LLC 3957019ZWB7667/PA
May 24, 2025PAII · Walk-around1M & W SERVICES LLC 3957019ZWB7667/PA
Feb 21, 2024PAII · Walk-around0M & W SERVICES LLC 3957019ZWB7667/PA
Nov 21, 2023PAII · Walk-around0M & W SERVICES LLC 3957019ZWB7667/PA
Nov 7, 2023PAII · Walk-around1OOSM & W SERVICES LLC 3957019ZWB7667/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
M & W SERVICES LLC3957019Nov 7, 2023Jun 14, 20268PA
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.
ZWB7667PA1M & W SERVICES LLCNov 7, 2023Jun 14, 20268
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026