Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X1PD868028 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections13
all-time
OOS inspections1
of 13
First seenJun 28, 2023
NM
Last seenApr 3, 2026
CA
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
1XPBD49X1PD868028
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 17, 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
BD49X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
868028

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 · 26,166 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 26,166 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 · Jun 28, 2023 – Apr 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 3, 2026CAIII · Driver-only2CROWN XPRESS TRANSPORT INC 1099085YP86796/CA
Aug 20, 2025NMI · Full0CROWN XPRESS TRANSPORT INC 1099085YP86796/CA
Jul 14, 2025SCIII · Driver-only1CROWN XPRESS TRANSPORT INC 1099085YP86796/CA
Mar 28, 2024NMII · Walk-around0CROWN XPRESS TRANSPORT INC 1099085YP86796/CA
Mar 21, 2024NMII · Walk-around0CROWN XPRESS TRANSPORT INC 1099085YP86796/CA
Feb 21, 2024ARIII · Driver-only0FONTANA TRANSPORT INC 1551417YP86796/CA
Dec 13, 2023AZII · Walk-around3CROWN XPRESS TRANSPORT INC 1099085YP86796/CA
Nov 9, 2023NMII · Walk-around0CROWN XPRESS TRANSPORT INC 1099085YP86796/CA
Nov 9, 2023NMII · Walk-around0CROWN XPRESS TRANSPORT INC 1099085YP86796/CA
Nov 9, 2023NMII · Walk-around0CROWN XPRESS TRANSPORT INC 1099085YP86796/CA
Aug 29, 2023NMII · Walk-around4OOSCROWN XPRESS TRANSPORT INC 1099085YP86796/CA
Jul 21, 2023NMIII · Driver-only0CROWN XPRESS TRANSPORT INC 1099085YP86796/CA
Jun 28, 2023NMII · Walk-around0CROWN XPRESS TRANSPORT INC 1099085YP86796/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CROWN XPRESS TRANSPORT INC1099085Jun 28, 2023Apr 3, 202612CA
FONTANA TRANSPORT INC1551417Feb 21, 2024Feb 21, 20241CA
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.
YP86796CA1CROWN XPRESS TRANSPORT INCJun 28, 2023Apr 3, 202612
YP86796CAFONTANA TRANSPORT INCFeb 21, 2024Feb 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026