Equipment unit · VIN-decoded · NHTSA vPIC

2011 Peterbilt 388

1XPWD49X2BD111651 · Truck-Tractor · TRUCK
Carriers run under2
27 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJan 12, 2024
TX
Last seenApr 23, 2026
TX
Inspected under 2 different carriers in 27 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
1XPWD49X2BD111651
Make
Peterbilt
Model
388
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 12, 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 · Jan 12, 2024 – Apr 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 23, 2026TXII · Walk-around3OOSKNOWLES TRUCKING LLC 12460641M64579/TX
Apr 19, 2026TXII · Walk-around5KNOWLES TRUCKING LLC 12460641M64579/TX
Feb 12, 2026TXII · Walk-around0KNOWLES TRUCKING LLC 12460641M64579/TX
Jan 12, 2024TXII · Walk-around4J & S OILFIELD SERVICES LLC 13464271N27419/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KNOWLES TRUCKING LLC1246064Feb 12, 2026Apr 23, 20263OK
J & S OILFIELD SERVICES LLC1346427Jan 12, 2024Jan 12, 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.
1M64579TXKNOWLES TRUCKING LLCFeb 12, 2026Apr 23, 20263
1N27419TXJ & S OILFIELD SERVICES LLCJan 12, 2024Jan 12, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026