Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X4PD887379 · Truck-Tractor · TRUCK
Carriers run under2
21 mo
Inspections15
all-time
OOS inspections0
of 15
First seenDec 30, 2023
TX
Last seenSep 30, 2025
IN
Inspected under 2 different carriers in 21 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
1XPBD49X4PD887379
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 14, 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 · Dec 30, 2023 – Sep 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 30, 2025INIII · Driver-only2—SUCCESSOR INC 3429258PXB5011/OH
Sep 25, 2025MTIII · Driver-only0—SUCCESSOR INC 3429258PXB5011/OH
Aug 27, 2025MTIII · Driver-only0—SUCCESSOR INC 3429258PXB5011/OH
May 23, 2025INIII · Driver-only0—SUCCESSOR INC 3429258PXB5011/OH
Apr 3, 2025KSII · Walk-around1—SUCCESSOR INC 3429258PXB5011/OH
Mar 14, 2025TNI · Full0—SUCCESSOR INC 3429258PXB5011/OH
Dec 23, 2024ORI · Full0—SUCCESSOR INC 3429258PXB5011/OH
Nov 4, 2024NCI · Full1—SUCCESSOR INC 3429258PXB5011/OH
Sep 5, 2024NMII · Walk-around1—SIMONA INC 3886253AH45622/PA
Aug 22, 2024CAI · Full1—SIMONA INC 3886253AH45622/PA
Jul 21, 2024CAIII · Driver-only0—SIMONA INC 3886253AH45622/PA
Jul 20, 2024UTIII · Driver-only0—SIMONA INC 3886253AH45622/PA
Jul 4, 2024IAII · Walk-around3—SIMONA INC 3886253AH45622/PA
Jun 12, 2024COIII · Driver-only0—SIMONA INC 3886253TEMP/PA
Dec 30, 2023TXII · Walk-around2—SIMONA INC 3886253AH45622/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SUCCESSOR INC3429258Nov 4, 2024Sep 30, 20258DE
SIMONA INC3886253Dec 30, 2023Sep 5, 20247PA
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.
PXB5011OH—SUCCESSOR INCNov 4, 2024 → Sep 30, 20258
AH45622PA—SIMONA INCDec 30, 2023 → Sep 5, 20246
TEMPPA—SIMONA INCJun 12, 2024 → Jun 12, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026