Equipment unit · VIN-decoded · NHTSA vPIC

2011 Kenworth T6 Series

1XKAD49X1BJ279847 · Truck-Tractor · TRUCK
Carriers run under3
29 mo
Inspections4
all-time
OOS inspections2
of 4
First seenFeb 22, 2024
TX
Last seenJul 24, 2026
TX
Inspected under 3 different carriers in 29 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
1XKAD49X1BJ279847
Make
Kenworth
Model
T6 Series
Model year
2011
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · Feb 22, 2024 – Jul 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 24, 2026TXII · Walk-around5—J VAZQUEZ CARRIERS LLC 36569431P19806/TX
May 8, 2026TXII · Walk-around4OOSKNOWLES TRUCKING LLC 124606419P728N/TX
Mar 30, 2026TXII · Walk-around6OOSKNOWLES TRUCKING LLC 1246064TMP53DLN/TX
Feb 22, 2024TXII · Walk-around1—JOSE ANGEL ALFARO 41699581M64519/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J VAZQUEZ CARRIERS LLC3656943Jul 24, 2026Jul 24, 20261TX
KNOWLES TRUCKING LLC1246064Mar 30, 2026May 8, 20262OK
JOSE ANGEL ALFARO4169958Feb 22, 2024Feb 22, 20241TX
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.
1P19806TX1J VAZQUEZ CARRIERS LLCJul 24, 2026 → Jul 24, 20261
19P728NTX—KNOWLES TRUCKING LLCMay 8, 2026 → May 8, 20261
TMP53DLNTX—KNOWLES TRUCKING LLCMar 30, 2026 → Mar 30, 20261
1M64519TX—JOSE ANGEL ALFAROFeb 22, 2024 → Feb 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026