Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X2PD860939 · Truck-Tractor · TRUCK
Carriers run under2
15 mo
Inspections8
all-time
OOS inspections2
of 8
First seenMar 10, 2025
AR
Last seenJun 27, 2026
NM
Inspected under 2 different carriers in 15 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
1XPBD49X2PD860939
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 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 · Mar 10, 2025 – Jun 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 27, 2026NMII · Walk-around3OOSADAMS EXPRESS LINES LLC 3753422P1168270/IL
Jun 11, 2026CAIII · Driver-only1—ADAMS EXPRESS LINES LLC 3753422P1168270/PA
Mar 31, 2026AZII · Walk-around4—ADAMS EXPRESS LINES LLC 3753422P1168270/IL
Mar 14, 2026UTIII · Driver-only0—ADAMS EXPRESS LINES LLC 3753422P1168270/IL
Jan 22, 2026MTIII · Driver-only0—ADAMS EXPRESS LINES LLC 3753422P1168270/IL
Nov 21, 2025CAII · Walk-around1OOSADAMS EXPRESS LINES LLC 3753422P1168270/IL
Jul 20, 2025INIII · Driver-only2—ADAMS EXPRESS LINES LLC 3753422P1168270/IL
Mar 10, 2025ARIII · Driver-only1—ROYAL RED TRUCKING LLC 3655681P1168270/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ADAMS EXPRESS LINES LLC3753422Jul 20, 2025Jun 27, 20267OH
ROYAL RED TRUCKING LLC3655681Mar 10, 2025Mar 10, 20251TN
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.
P1168270IL1ADAMS EXPRESS LINES LLCJul 20, 2025 → Jun 27, 20266
P1168270PA—ADAMS EXPRESS LINES LLCJun 11, 2026 → Jun 11, 20261
P1168270IL—ROYAL RED TRUCKING LLCMar 10, 2025 → Mar 10, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026