Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X0PD823034 · Truck-Tractor · TRUCK
Carriers run under2
23 mo
Inspections5
all-time
OOS inspections1
of 5
First seen04/13/2024
CA
Last seen03/18/2026
CA
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
1XPBDP9X0PD823034
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
06/29/2026
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 · 04/13/2024 – 03/18/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
03/18/2026CAIII · Driver-only0—RIVERSIDE DC 156237ZP20161/CA
02/03/2026CAII · Walk-around5—RIVERSIDE DC 156237ZP20161/CA
01/22/2026CAII · Walk-around1—RIVERSIDE DC 156237ZP20161/CA
08/21/2025CAII · Walk-around0—RIVERSIDE DC 156237ZP20161/CA
04/13/2024CAII · Walk-around2OOSSMG CARRIERS INC 2770568YP57309/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RIVERSIDE DC15623708/21/202503/18/20264CA
SMG CARRIERS INC277056804/13/202404/13/20241CA
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.
ZP20161CA—RIVERSIDE DC08/21/2025 → 03/18/20264
YP57309CA—SMG CARRIERS INC04/13/2024 → 04/13/20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/29/2026