Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBD49X7HD445097 · Truck-Tractor · TRUCK
Carriers run under2
24 mo
Inspections5
all-time
OOS inspections0
of 5
First seenAug 17, 2023
CA
Last seenAug 19, 2025
CA
Inspected under 2 different carriers in 24 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
1XPBD49X7HD445097
Make
Peterbilt
Model
579
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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 17, 2023 – Aug 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 19, 2025CAI · Full0—QC WEST LLC 2064293P1259039/IL
Jan 28, 2025CAV · Vehicle-only0—QC WEST LLC 2064293P1259039/IL
Nov 29, 2023CAIII · Driver-only0—ERNEST PROUTY & SONS INC 5101919F48255/CA
Sep 21, 2023CAI · Full0—ERNEST PROUTY & SONS INC 5101919F48255/CA
Aug 17, 2023CAII · Walk-around0—ERNEST PROUTY & SONS INC 5101919F48255/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
QC WEST LLC2064293Jan 28, 2025Aug 19, 20252FL
ERNEST PROUTY & SONS INC510191Aug 17, 2023Nov 29, 20233CA
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.
P1259039IL—QC WEST LLCJan 28, 2025 → Aug 19, 20252
9F48255CA—ERNEST PROUTY & SONS INCAug 17, 2023 → Nov 29, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026