Equipment unit · NHTSA vPIC identity

2007 Kenworth W9 Series

1NKWL50XX7J171868 · Truck · INCOMPLETE VEHICLE
Carriers run under2
22 mo
Inspections4
all-time
OOS inspections1
of 4
First seenSep 13, 2024
AZ
Last seenJul 9, 2026
AZ
Inspected under 2 different carriers in 22 months
These observations show where this VIN appeared, not who owned the vehicle. Sales, leases or owner-operator moves may explain carrier changes. A shared VIN alone is not a fraud finding. Compare dates and sources in the timeline below.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKWL50XX7J171868
Make
Kenworth
Model
W9 Series
Model year
2007
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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
WL50X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2007 or 2037

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

North American serial sequence
171868

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.

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 · Sep 13, 2024 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026AZI · Full5—STATE 48 READY MIX LLC 399787516W0637/AZ
Jun 9, 2026AZII · Walk-around3—STATE 48 READY MIX LLC 399787516W0637/AZ
May 20, 2026AZII · Walk-around10OOSSTATE 48 READY MIX LLC 3997875DHA9TX/AZ
Sep 13, 2024AZIII · Driver-only2—SWITCH MATERIALS LLC 4136071DHA9TX/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STATE 48 READY MIX LLC3997875May 20, 2026Jul 9, 20263AZ
SWITCH MATERIALS LLC4136071Sep 13, 2024Sep 13, 20241AZ
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.
16W0637AZ1STATE 48 READY MIX LLCJun 9, 2026 → Jul 9, 20262
DHA9TXAZ—STATE 48 READY MIX LLCMay 20, 2026 → May 20, 20261
DHA9TXAZ—SWITCH MATERIALS LLCSep 13, 2024 → Sep 13, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026