Equipment unit · VIN-decoded · NHTSA vPIC

2012 Kenworth T6 Series

1XKADP8X5CJ311879 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJun 23, 2023
KY
Last seenMar 5, 2026
TX
Inspected under 2 different carriers in 33 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
1XKADP8X5CJ311879
Make
Kenworth
Model
T6 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
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 · Jun 23, 2023 – Mar 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 5, 2026TXII · Walk-around2SONIA G NIEBLA 37212511M34505/TX
Jun 23, 2025TXII · Walk-around0TRIMAC TRANSPORTATION INC 36431P1124658/IL
Sep 3, 2024TXI · Full13SONIA G NIEBLA 37212511M34505/TX
Jun 23, 2023KYI · Full3TRIMAC TRANSPORTATION INC 36431P1124658/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SONIA G NIEBLA3721251Sep 3, 2024Mar 5, 20262TX
TRIMAC TRANSPORTATION INC36431Jun 23, 2023Jun 23, 20252TX
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.
1M34505TXSONIA G NIEBLASep 3, 2024Mar 5, 20262
P1124658ILTRIMAC TRANSPORTATION INCJun 23, 2023Jun 23, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 10, 2026