Equipment unit · VIN-decoded · NHTSA vPIC

2012 Kenworth W9 Series

1XKWP4EX8CJ301573 · Truck-Tractor · TRUCK
W900
Carriers run under2
36 mo
Inspections13
all-time
OOS inspections6
of 13
First seenJul 24, 2023
CO
Last seenJul 9, 2026
MD
Inspected under 2 different carriers in 36 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
1XKWP4EX8CJ301573
Make
Kenworth
Model
W9 Series
Model year
2012
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 20, 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WP4EX

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
301573

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 · 209 decoded VINs at 91.9% prefix purity.

Model
W9 Series

Prefix basis · 209 decoded VINs at 91.9% prefix purity.

Model line
W900

Sourced label · prefix basis 209 decoded VINs at 91.9% 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
W9 Series

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

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 24, 2023 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026MDII · Walk-around3CHILL OUT EXPRESS INC 2461531P1197649/IL
Jun 30, 2026ALIII · Driver-only1CHILL OUT EXPRESS INC 2461531P1197649/IL
Apr 15, 2026MDII · Walk-around20OOSCHILL OUT EXPRESS INC 2461531P1197649/IL
Apr 15, 2026MDII · Walk-around20OOSCHILL OUT EXPRESS INC 2461531P1197649/IL
Apr 15, 2026MDII · Walk-around20OOSCHILL OUT EXPRESS INC 2461531P1197649/IL
Feb 26, 2026GAIII · Driver-only2CHILL OUT EXPRESS INC 2461531P1197649/IL
Aug 13, 2025TNII · Walk-around5OOSGLADIATOR CORPORATION 2599933P1197649/IL
Mar 9, 2025MOII · Walk-around10OOSGLADIATOR CORPORATION 2599933P1197649/IL
Mar 3, 2025NEIII · Driver-only1GLADIATOR CORPORATION 2599933P1197649/IL
Jan 31, 2025MIII · Walk-around1GLADIATOR CORPORATION 2599933P1197649/IL
Sep 29, 2024ILIII · Driver-only1GLADIATOR CORPORATION 2599933P1197649/IL
Jun 4, 2024IAII · Walk-around16OOSGLADIATOR CORPORATION 2599933P1197649/IL
Jul 24, 2023COII · Walk-around3GLADIATOR CORPORATION 2599933P1197649/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CHILL OUT EXPRESS INC2461531Feb 26, 2026Jul 9, 20266IL
GLADIATOR CORPORATION2599933Jul 24, 2023Aug 13, 20257IL
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.
P1197649IL1CHILL OUT EXPRESS INCFeb 26, 2026Jul 9, 20266
P1197649ILGLADIATOR CORPORATIONJul 24, 2023Aug 13, 20257
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026