Equipment unit · VIN-decoded · NHTSA vPIC

2024 Kenworth W9 Series

1XKWP40X9RR351805 · Truck-Tractor · TRUCK
Carriers run under2
20 mo
Inspections4
all-time
OOS inspections2
of 4
First seenSep 15, 2024
MT
Last seenMay 14, 2026
CA
Inspected under 2 different carriers in 20 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
1XKWP40X9RR351805
Make
Kenworth
Model
W9 Series
Model year
2024
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 10, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 15, 2024 – May 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 14, 2026CAII · Walk-around1OOSSPENCER B STELLY 833112AM2355/ID
Dec 1, 2025CAIII · Driver-only1—SPENCER B STELLY 833112AM2355/ID
May 15, 2025ORIII · Driver-only2OOSWALKER TRUCKING LLC 1126863A061876UT/UT
Sep 15, 2024MTIII · Driver-only1—WALKER TRUCKING LLC 1126863A061876/UT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPENCER B STELLY833112Dec 1, 2025May 14, 20262ID
WALKER TRUCKING LLC1126863Sep 15, 2024May 15, 20252UT
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.
AM2355ID—SPENCER B STELLYDec 1, 2025 → May 14, 20262
A061876UTUT—WALKER TRUCKING LLCMay 15, 2025 → May 15, 20251
A061876UT—WALKER TRUCKING LLCSep 15, 2024 → Sep 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 10, 2026