Equipment unit · VIN-decoded · NHTSA vPIC

2012 Kenworth W9 Series

1XKWP4EX8CJ331124 · Truck-Tractor · TRUCK
Carriers run under2
22 mo
Inspections5
all-time
OOS inspections1
of 5
First seen01/27/2024
MT
Last seen11/21/2025
MT
Inspected under 2 different carriers in 22 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
1XKWP4EX8CJ331124
Make
Kenworth
Model
W9 Series
Model year
2012
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/28/2026
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 · 01/27/2024 – 11/21/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
11/21/2025MTII · Walk-around3OOSBEARTOOTH MASONRY & TRUCKING INC 2586679495719F/MT
08/05/2025MTIII · Driver-only0—BEARTOOTH MASONRY & TRUCKING INC 2586679495719F/MT
05/14/2025MTIII · Driver-only1—BEARTOOTH MASONRY & TRUCKING INC 2586679495719F/MT
03/27/2025MTV · Vehicle-only0—BEARTOOTH MASONRY & TRUCKING INC 2586679495719F/MT
01/27/2024MTI · Full3—G4 TANK LINES LLC 4013855495719F/MT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BEARTOOTH MASONRY & TRUCKING INC258667903/27/202511/21/20254MT
G4 TANK LINES LLC401385501/27/202401/27/20241CO
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.
495719FMT—BEARTOOTH MASONRY & TRUCKING INC03/27/2025 → 11/21/20254
495719FMT—G4 TANK LINES LLC01/27/2024 → 01/27/20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/28/2026