Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X9PD875499 · Truck-Tractor · TRUCK
Carriers run under2
23 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJul 18, 2024
LA
Last seenJun 15, 2026
IL
Inspected under 2 different carriers in 23 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
1XPBD49X9PD875499
Make
Peterbilt
Model
579
Model year
2023
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 · Jul 18, 2024 – Jun 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 15, 2026ILIII · Driver-only0—ADAMS EXPRESS LINES LLC 3753422P1307107/IL
Feb 11, 2026IAIII · Driver-only3—ADAMS EXPRESS LINES LLC 3753422P1307107/NE
Dec 19, 2025KSI · Full1—ADAMS EXPRESS LINES LLC 3753422P1307107/IL
Oct 8, 2024ALII · Walk-around1—RS6 EXPRESS LLC 3894456P1181795/IL
Sep 10, 2024OHIII · Driver-only0—RS6 EXPRESS LLC 3894456P1181795/IL
Jul 18, 2024LAIII · Driver-only1—RS6 EXPRESS LLC 3894456P1181795/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ADAMS EXPRESS LINES LLC3753422Dec 19, 2025Jun 15, 20263OH
RS6 EXPRESS LLC3894456Jul 18, 2024Oct 8, 20243IL
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.
P1307107IL1ADAMS EXPRESS LINES LLCDec 19, 2025 → Jun 15, 20262
P1307107NE—ADAMS EXPRESS LINES LLCFeb 11, 2026 → Feb 11, 20261
P1181795IL—RS6 EXPRESS LLCJul 18, 2024 → Oct 8, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026