Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 567

1XPCDP9X2MD749633 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections6
all-time
OOS inspections1
of 6
First seenOct 10, 2023
NY
Last seenMay 28, 2026
CA
Inspected under 2 different carriers in 31 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
1XPCDP9X2MD749633
Make
Peterbilt
Model
567
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 25, 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 · Oct 10, 2023 – May 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 28, 2026CAII · Walk-around0WILLIAMS TANK LINES LLC 229047ZP33410/CA
Feb 17, 2026CAIII · Driver-only0WILLIAMS TANK LINES LLC 229047ZP33410/CA
Apr 17, 2025CAI · Full0WILLIAMS TANK LINES LLC 229047ZP33410/CA
Aug 16, 2024CAI · Full1OOSWILLIAMS TANK LINES LLC 229047ZP33410/CA
Nov 24, 2023NYI · Full0MERCER TRANSPORTATION COMPANY INC 1547123009614/IN
Oct 10, 2023NYII · Walk-around0MERCER TRANSPORTATION COMPANY INC 1547123009614/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WILLIAMS TANK LINES LLC229047Aug 16, 2024May 28, 20264CA
MERCER TRANSPORTATION COMPANY INC154712Oct 10, 2023Nov 24, 20232KY
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.
ZP33410CAWILLIAMS TANK LINES LLCAug 16, 2024May 28, 20264
3009614INMERCER TRANSPORTATION COMPANY INCOct 10, 2023Nov 24, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026
2021 Peterbilt 567 — VIN 1XPCDP9X2MD749633