Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth W9 Series

1NKWX4TX8SR131566 · Truck · INCOMPLETE VEHICLE
W900
Carriers run under2
23 mo
Inspections6
all-time
OOS inspections1
of 6
First seenAug 20, 2024
MA
Last seenJul 27, 2026
PA
Inspected under 2 different carriers in 23 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
1NKWX4TX8SR131566
Make
Kenworth
Model
W9 Series
Model year
2025
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
WX4TX

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1995 or 2025

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

North American serial sequence
131566

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 · 239 decoded VINs at 99.6% prefix purity.

Model
W9 Series

Prefix basis · 239 decoded VINs at 99.6% prefix purity.

Model line
W900

Sourced label · prefix basis 239 decoded VINs at 99.6% 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
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
W9 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 · Aug 20, 2024 – Jul 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 27, 2026PAII · Walk-around4J F HUEBNER & SON INC 868114TEMP/PA
Jul 9, 2026PAII · Walk-around1OOSJ F HUEBNER & SON INC 868114PENDING/PA
Oct 16, 2025MAII · Walk-around0KETTLE BROOK FARMS TRANSPORT LLC 31294561AG93F/MA
Oct 15, 2025MAII · Walk-around1KETTLE BROOK FARMS TRANSPORT LLC 31294561AG93F/MA
Oct 14, 2025MAII · Walk-around4KETTLE BROOK FARMS TRANSPORT LLC 31294561AG93F/MA
Aug 20, 2024MAII · Walk-around2KETTLE BROOK FARMS TRANSPORT LLC 31294561AG93F/MA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J F HUEBNER & SON INC868114Jul 9, 2026Jul 27, 20262PA
KETTLE BROOK FARMS TRANSPORT LLC3129456Aug 20, 2024Oct 16, 20254MA
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.
TEMPPA1J F HUEBNER & SON INCJul 27, 2026Jul 27, 20261
PENDINGPA1J F HUEBNER & SON INCJul 9, 2026Jul 9, 20261
1AG93FMAKETTLE BROOK FARMS TRANSPORT LLCAug 20, 2024Oct 16, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026