Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X1PD850503 · Truck-Tractor · TRUCK
Carriers run under2
29 mo
Inspections9
all-time
OOS inspections4
of 9
First seen06/30/2023
IA
Last seen11/04/2025
TN
Inspected under 2 different carriers in 29 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
1XPBDP9X1PD850503
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
06/19/2026
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 · 06/30/2023 – 11/04/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
11/04/2025TNIII · Driver-only0—RELIANCE INTERMODAL INC 1850504YP92798/CA
09/28/2025SDIII · Driver-only0—RELIANCE INTERMODAL INC 1850504YP92798/CA
11/01/2024CAI · Full1OOSRELIANCE INTERMODAL INC 1850504YP92798/CA
06/10/2024NMII · Walk-around1OOSRELIANCE INTERMODAL INC 1850504YP92798/CA
02/16/2024CAI · Full0—RELIANCE INTERMODAL INC 1850504YP92798/CA
02/07/2024ORII · Walk-around1—RELIANCE INTERMODAL INC 1850504YP92798/CA
10/09/2023MTII · Walk-around1OOSASL TRANS PRO INC 2352432YP92798/CA
07/18/2023ILIII · Driver-only0—ASL TRANS PRO INC 2352432YP92798/CA
06/30/2023IAII · Walk-around3OOSASL TRANS PRO INC 2352432YP92798/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RELIANCE INTERMODAL INC185050402/07/202411/04/20256CA
ASL TRANS PRO INC235243206/30/202310/09/20233CA
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.
YP92798CA—RELIANCE INTERMODAL INC02/07/2024 → 11/04/20256
YP92798CA—ASL TRANS PRO INC06/30/2023 → 10/09/20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/19/2026