Equipment unit · VIN-decoded · NHTSA vPIC

2014 Kenworth W9 Series

1XKWD49X8EJ393192 · Truck-Tractor · TRUCK
W900
Carriers run under3
32 mo
Inspections4
all-time
OOS inspections4
of 4
First seenDec 4, 2023
TX
Last seenAug 24, 2026
TX
Inspected under 3 different carriers in 32 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
1XKWD49X8EJ393192
Make
Kenworth
Model
W9 Series
Model year
2014
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 26, 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
WD49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1984 or 2014

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

North American serial sequence
393192

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 · 5,845 decoded VINs at 94.7% prefix purity.

Model
W9 Series

Prefix basis · 5,845 decoded VINs at 94.7% prefix purity.

Model line
W900

Sourced label · prefix basis 5,845 decoded VINs at 94.7% 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
2014

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 · Dec 4, 2023 – Aug 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 24, 2026TXII · Walk-around13OOSROOSTER OILFIELD SERVICES LLC 442608547U934N/TX
Apr 29, 2026TXII · Walk-around14OOSROOSTER OILFIELD SERVICES LLC 442608583N728N/TX
Jun 2, 2025TXII · Walk-around4OOSROOSTER OIL SERVICES LLC 43516281N52878/TX
Dec 4, 2023TXII · Walk-around5OOSSALVADOR ORTIZ 17856251N52878/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROOSTER OILFIELD SERVICES LLC4426085Apr 29, 2026Aug 24, 20262TX
ROOSTER OIL SERVICES LLC4351628Jun 2, 2025Jun 2, 20251ND
SALVADOR ORTIZ1785625Dec 4, 2023Dec 4, 20231TX
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.
47U934NTX1ROOSTER OILFIELD SERVICES LLCAug 24, 2026Aug 24, 20261
83N728NTXROOSTER OILFIELD SERVICES LLCApr 29, 2026Apr 29, 20261
1N52878TXROOSTER OIL SERVICES LLCJun 2, 2025Jun 2, 20251
1N52878TXSALVADOR ORTIZDec 4, 2023Dec 4, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026