Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 579

1NPBL79X4FD257858 · Truck · INCOMPLETE VEHICLE
Carriers run under2
25 mo
Inspections8
all-time
OOS inspections1
of 8
First seenAug 19, 2023
CA
Last seenSep 25, 2025
CA
Inspected under 2 different carriers in 25 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
1NPBL79X4FD257858
Make
Peterbilt
Model
579
Model year
2015
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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 · Aug 19, 2023 – Sep 25, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 25, 2025CAIII · Driver-only1—TOP FUEL TRANSPORT LLC 330556746129D2/CA
Apr 23, 2025CAII · Walk-around0—TOP FUEL TRANSPORT LLC 330556746129D2/CA
Jan 23, 2025CAI · Full0—CHALLENGER TANK LINES INC 87394846129D2/CA
Jul 27, 2024CAII · Walk-around2—CHALLENGER TANK LINES INC 87394846129D2/CA
Jun 29, 2024CAI · Full0—CHALLENGER TANK LINES INC 87394846129D2/CA
Jun 29, 2024CAI · Full2—CHALLENGER TANK LINES INC 87394846129D2/CA
Aug 19, 2023CAI · Full1OOSCHALLENGER TANK LINES INC 87394846129D2/CA
Aug 19, 2023CAI · Full0—CHALLENGER TANK LINES INC 87394846129D2/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TOP FUEL TRANSPORT LLC3305567Apr 23, 2025Sep 25, 20252CA
CHALLENGER TANK LINES INC873948Aug 19, 2023Jan 23, 20256CA
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.
46129D2CA—TOP FUEL TRANSPORT LLCApr 23, 2025 → Sep 25, 20252
46129D2CA—CHALLENGER TANK LINES INCAug 19, 2023 → Jan 23, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026