Equipment unit · VIN-decoded · NHTSA vPIC

2015 Kenworth T8 Series

1NKDLP9X1FJ422653 · Truck · INCOMPLETE VEHICLE
T800
Carriers run under2
22 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJul 17, 2024
OK
Last seenMay 21, 2026
OK
Inspected under 2 different carriers in 22 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
1NKDLP9X1FJ422653
Make
Kenworth
Model
T8 Series
Model year
2015
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
DLP9X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1985 or 2015

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

North American serial sequence
422653

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 · 49 decoded VINs at 100.0% prefix purity.

Model
T8 Series

Prefix basis · 49 decoded VINs at 100.0% prefix purity.

Model line
T800

Sourced label · prefix basis 49 decoded VINs at 100.0% 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
2015

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 17, 2024 – May 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 21, 2026OKIII · Driver-only1RED ROCK TRANSPORTATION COMPANY 156346920607V/OK
Mar 31, 2025OKII · Walk-around0PROGRESSIVE ENERGY LLC 319774520607V/OK
Jul 17, 2024OKII · Walk-around0PROGRESSIVE ENERGY LLC 319774520607V/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RED ROCK TRANSPORTATION COMPANY1563469May 21, 2026May 21, 20261OK
PROGRESSIVE ENERGY LLC3197745Jul 17, 2024Mar 31, 20252OK
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.
20607VOKRED ROCK TRANSPORTATION COMPANYMay 21, 2026May 21, 20261
20607VOKPROGRESSIVE ENERGY LLCJul 17, 2024Mar 31, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026