Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth W990

1XK1D49X6MJ469937 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJun 27, 2023
VA
Last seenDec 28, 2025
MO
Inspected under 2 different carriers in 30 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
1XK1D49X6MJ469937
Make
Kenworth
Model
W990
Model year
2021
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
1D49X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1991 or 2021

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

North American serial sequence
469937

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
2021

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 · Jun 27, 2023 – Dec 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 28, 2025MOIII · Driver-only1STEPHENS TRANSPORT LLC 467942AM2330/ID
Feb 10, 2025CAIII · Driver-only2STEPHENS TRANSPORT LLC 467942AM2330/ID
Jun 27, 2023VAIII · Driver-only0CROWN VICTORIA EXPRESS INC 1303808XP98594/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STEPHENS TRANSPORT LLC467942Feb 10, 2025Dec 28, 20252ID
CROWN VICTORIA EXPRESS INC1303808Jun 27, 2023Jun 27, 20231NC
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.
AM2330IDSTEPHENS TRANSPORT LLCFeb 10, 2025Dec 28, 20252
XP98594CACROWN VICTORIA EXPRESS INCJun 27, 2023Jun 27, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026