Equipment unit · VIN-decoded · NHTSA vPIC

2025 Peterbilt 579

1NPBL49X8SD686901 · Truck · INCOMPLETE VEHICLE
Carriers run under2
20 mo
Inspections12
all-time
OOS inspections0
of 12
First seenOct 22, 2024
CA
Last seenJun 18, 2026
CA
Inspected under 2 different carriers in 20 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
1NPBL49X8SD686901
Make
Peterbilt
Model
579
Model year
2025
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 18, 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 22, 2024 – Jun 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 18, 2026CAIII · Driver-only0—WILLIAMS TANK LINES LLC 22904757253B4/CA
Jun 11, 2026CAIII · Driver-only0—WILLIAMS TANK LINES LLC 22904757253B4/CA
May 6, 2026CAIII · Driver-only0—WILLIAMS TANK LINES LLC 22904757253B4/CA
May 5, 2026CAI · Full1—WILLIAMS TANK LINES LLC 22904757253B4/CA
Feb 27, 2026CAIII · Driver-only0—WILLIAMS TANK LINES LLC 22904757253B4/CA
Feb 24, 2026CAI · Full0—WILLIAMS TANK LINES LLC 22904757253B4/CA
Jul 11, 2025CAI · Full1—WILLIAMS TANK LINES LLC 2290475725384/CA
Jun 13, 2025CAII · Walk-around0—WILLIAMS TANK LINES LLC 22904757253B4/CA
Jan 9, 2025CAI · Full0—WILLIAMS TANK LINES LLC 22904757253B4/CA
Dec 30, 2024CAV · Vehicle-only0—WILLIAMS TANK LINES LLC 22904757253B4/CA
Dec 30, 2024CAIII · Driver-only0—FUEL DELIVERY SERVICES INC 93130157253B4/CA
Oct 22, 2024CAI · Full0—WILLIAMS TANK LINES LLC 229047CW62J32/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WILLIAMS TANK LINES LLC229047Oct 22, 2024Jun 18, 202611CA
FUEL DELIVERY SERVICES INC931301Dec 30, 2024Dec 30, 20241CA
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.
57253B4CA1WILLIAMS TANK LINES LLCDec 30, 2024 → Jun 18, 20269
5725384CA—WILLIAMS TANK LINES LLCJul 11, 2025 → Jul 11, 20251
57253B4CA—FUEL DELIVERY SERVICES INCDec 30, 2024 → Dec 30, 20241
CW62J32CA—WILLIAMS TANK LINES LLCOct 22, 2024 → Oct 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026