Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth T8 Series

1NKDL40X9JJ219739 · Truck · INCOMPLETE VEHICLE
T800
Carriers run under2
18 mo
Inspections3
all-time
OOS inspections0
of 3
First seenOct 31, 2023
CA
Last seenApr 22, 2025
CA
Inspected under 2 different carriers in 18 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
1NKDL40X9JJ219739
Make
Kenworth
Model
T8 Series
Model year
2018
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 25, 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
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1988 or 2018

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

North American serial sequence
219739

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
2018

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 · Oct 31, 2023 – Apr 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 22, 2025CAI · Full0NATION'S BEST- CALIFORNIA LLC 412191483996J2/CA
Jan 21, 2025CAIII · Driver-only1NATION'S BEST- CALIFORNIA LLC 412191483996J2/CA
Oct 31, 2023CAIII · Driver-only0CALAVERAS LUMBER CO INC 266689283996J2/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NATION'S BEST- CALIFORNIA LLC4121914Jan 21, 2025Apr 22, 20252TX
CALAVERAS LUMBER CO INC2666892Oct 31, 2023Oct 31, 20231CA
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.
83996J2CANATION'S BEST- CALIFORNIA LLCJan 21, 2025Apr 22, 20252
83996J2CACALAVERAS LUMBER CO INCOct 31, 2023Oct 31, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026