Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X5PD864984 · Truck-Tractor · TRUCK
Carriers run under3
19 mo
Inspections5
all-time
OOS inspections2
of 5
First seenOct 24, 2024
TX
Last seenMay 13, 2026
AZ
Inspected under 3 different carriers in 19 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
1XPBD49X5PD864984
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 28, 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
5 · valid

Deterministic · position 9; calculated value 5.

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
864984

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 · Oct 24, 2024 – May 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 13, 2026AZII · Walk-around1OOSSELEAD TRANSPORT INC 3963120ZP58688/CA
May 10, 2026ARIII · Driver-only0SELEAD TRANSPORT INC 3963120ZP58688/CA
Feb 25, 2026USI · Full4OOSSELEAD TRANSPORT INC 3963120ZP58688/CA
Aug 14, 2025CAI · Full0FRESHKO PRODUCE SERVICES LLC 2866076ZP58688/CA
Oct 24, 2024TXII · Walk-around0ZHANQIAO TRANSPORTATION INC 1437388YP94118/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SELEAD TRANSPORT INC3963120Feb 25, 2026May 13, 20263CA
FRESHKO PRODUCE SERVICES LLC2866076Aug 14, 2025Aug 14, 20251CA
ZHANQIAO TRANSPORTATION INC1437388Oct 24, 2024Oct 24, 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.
ZP58688CASELEAD TRANSPORT INCFeb 25, 2026May 13, 20263
ZP58688CAFRESHKO PRODUCE SERVICES LLCAug 14, 2025Aug 14, 20251
YP94118CAZHANQIAO TRANSPORTATION INCOct 24, 2024Oct 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026