Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X9PD851512 · Truck-Tractor · TRUCK
Carriers run under3
23 mo
Inspections4
all-time
OOS inspections0
of 4
First seen07/14/2023
OR
Last seen06/08/2025
WA
Inspected under 3 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
1XPBD49X9PD851512
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
07/12/2026
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 · 07/14/2023 – 06/08/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
06/08/2025WAII · Walk-around0DOLPHINS TRANSPORT INC 2544585P1173229/IL
02/14/2025OKI · Full0DOLPHINS TRANSPORT INC 2544585P1173229/IL
04/25/2024ORIII · Driver-only0AG FREIGHT INC 4018788P1173229/IL
07/14/2023ORIII · Driver-only0OZTURK TRANSPORT LLC 3552966P1173229/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DOLPHINS TRANSPORT INC254458502/14/202506/08/20252IL
AG FREIGHT INC401878804/25/202404/25/20241NE
OZTURK TRANSPORT LLC355296607/14/202307/14/20231AZ
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.
P1173229ILDOLPHINS TRANSPORT INC02/14/202506/08/20252
P1173229ILAG FREIGHT INC04/25/202404/25/20241
P1173229ILOZTURK TRANSPORT LLC07/14/202307/14/20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/12/2026