Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth W990

1XK1P4EX4SJ100603 · Truck-Tractor · TRUCK
Carriers run under1
1 mo
Inspections3
all-time
OOS inspections0
of 3
First seenDec 6, 2025
MS
Last seenJan 21, 2026
SD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XK1P4EX4SJ100603
Make
Kenworth
Model
W990
Model year
2025
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
1P4EX

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
100603

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
W990

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Dec 6, 2025 – Jan 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 21, 2026SDIII · Driver-only15J OILFIELD TRUCKING LLC 4221957R761153/TX
Dec 30, 2025NMI · Full05J OILFIELD TRUCKING LLC 4221957R761153/TX
Dec 6, 2025MSIII · Driver-only05J OILFIELD TRUCKING LLC 4221957R761153/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
5J OILFIELD TRUCKING LLC4221957Dec 6, 2025Jan 21, 20263TX
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.
R761153TX5J OILFIELD TRUCKING LLCDec 6, 2025Jan 21, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026