Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X1PD856591 · Truck-Tractor · TRUCK
Carriers run under2
17 mo
Inspections9
all-time
OOS inspections0
of 9
First seenAug 7, 2023
NM
Last seenJan 24, 2025
OK
Inspected under 2 different carriers in 17 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
1XPBD49X1PD856591
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 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 · Aug 7, 2023 – Jan 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 24, 2025OKII · Walk-around1—OHIO TRANSPORT CORPORATION 384170AL28485/AZ
Jan 7, 2025NMII · Walk-around0—OHIO TRANSPORT CORPORATION 384170AL28485/AZ
Sep 6, 2024CAI · Full7—ONS TRANSPORTATION LLC 2570371AL28485/AZ
May 23, 2024NMI · Full0—ONS TRANSPORTATION LLC 2570371AL28485/AZ
Jan 11, 2024CAII · Walk-around1—ONS TRANSPORTATION LLC 2570371AL28485/AZ
Oct 27, 2023NMII · Walk-around0—ONS TRANSPORTATION LLC 2570371AL28485/AZ
Sep 15, 2023NMII · Walk-around0—ONS TRANSPORTATION LLC 2570371AL28485/AZ
Sep 11, 2023NMII · Walk-around2—ONS TRANSPORTATION LLC 2570371AL28485/AZ
Aug 7, 2023NMII · Walk-around0—ONS TRANSPORTATION LLC 2570371AL28485/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OHIO TRANSPORT CORPORATION384170Jan 7, 2025Jan 24, 20252OH
ONS TRANSPORTATION LLC2570371Aug 7, 2023Sep 6, 20247AZ
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.
AL28485AZ—OHIO TRANSPORT CORPORATIONJan 7, 2025 → Jan 24, 20252
AL28485AZ—ONS TRANSPORTATION LLCAug 7, 2023 → Sep 6, 20247
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026