Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X6PD887384 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections15
all-time
OOS inspections1
of 15
First seenAug 20, 2023
CA
Last seenJun 10, 2026
IN
Inspected under 2 different carriers in 34 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
1XPBDP9X6PD887384
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 16, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BDP9X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1993 or 2023

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
887384

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
PETERBILT

Prefix basis · 21,366 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 21,366 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
579

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 20, 2023 – Jun 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 10, 2026INIII · Driver-only1SUCCESSOR INC 3429258PXB5006/OH
Jan 16, 2026ILIII · Driver-only0SUCCESSOR INC 3429258PXB5006/OH
Dec 19, 2025UTIII · Driver-only0SUCCESSOR INC 3429258PXB5006/OH
Sep 23, 2025UTII · Walk-around1SUCCESSOR INC 3429258PXB5006/OH
Sep 15, 2025COIII · Driver-only0SUCCESSOR INC 3429258PXB5006/OH
Jun 25, 2025INIII · Driver-only1SUCCESSOR INC 3429258PXB5006/OH
Dec 3, 2024MIII · Walk-around1SUCCESSOR INC 3429258PXB5006/OH
Nov 10, 2024IAII · Walk-around6SUCCESSOR INC 3429258PXB5006/OH
Oct 10, 2024MNIII · Driver-only0SIMONA INC 3886253PXB5006/OH
Jun 7, 2024OKIII · Driver-only2SIMONA INC 3886253AH31468/PA
Jun 7, 2024OKIII · Driver-only0SIMONA INC 3886253AH31468/PA
Jun 6, 2024NMIII · Driver-only0SIMONA INC 3886253AH31468/PA
Apr 5, 2024IAII · Walk-around2OOSSIMONA INC 3886253AH31468/PA
Dec 16, 2023ALIII · Driver-only0SIMONA INC 3886253AH31468/PA
Aug 20, 2023CAI · Full1SIMONA INC 3886253AH31468/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SUCCESSOR INC3429258Nov 10, 2024Jun 10, 20268DE
SIMONA INC3886253Aug 20, 2023Oct 10, 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.
PXB5006OHSUCCESSOR INCNov 10, 2024Jun 10, 20268
PXB5006OHSIMONA INCOct 10, 2024Oct 10, 20241
AH31468PASIMONA INCAug 20, 2023Jun 7, 20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026