Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X1PD801509 · Truck-Tractor · TRUCK
Carriers run under3
30 mo
Inspections9
all-time
OOS inspections0
of 9
First seenAug 23, 2023
IL
Last seenFeb 16, 2026
OH
Inspected under 3 different carriers in 30 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
1XPBD49X1PD801509
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 19, 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
801509

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 · Aug 23, 2023 – Feb 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 16, 2026OHIII · Driver-only0NEXT TRANSPORTATION INC 4248830AN5526/ID
Feb 5, 2026NMIII · Driver-only0NEXT TRANSPORTATION INC 4248830AN5526/ID
Nov 4, 2025WAII · Walk-around0NEXT TRANSPORTATION INC 4248830AN5526/ID
Jul 18, 2025ORIII · Driver-only0NEXT TRANSPORTATION INC 4248830AN5526/ID
May 12, 2025IDI · Full0CENTRAL EXPRESS LLC 3432443AN1617/ID
Mar 12, 2025NMII · Walk-around0CENTRAL EXPRESS LLC 3432443AN1617/ID
May 16, 2024NVI · Full1CENTRAL EXPRESS LLC 3432443AN1617/ID
Mar 4, 2024UTIII · Driver-only0CENTRAL EXPRESS LLC 3432443AN1617/ID
Aug 23, 2023ILIII · Driver-only0STALLION EXPRESS INC 741086K821973/AR
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NEXT TRANSPORTATION INC4248830Jul 18, 2025Feb 16, 20264ID
CENTRAL EXPRESS LLC3432443Mar 4, 2024May 12, 20254ID
STALLION EXPRESS INC741086Aug 23, 2023Aug 23, 20231AR
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.
AN5526IDNEXT TRANSPORTATION INCJul 18, 2025Feb 16, 20264
AN1617IDCENTRAL EXPRESS LLCMar 4, 2024May 12, 20254
K821973ARSTALLION EXPRESS INCAug 23, 2023Aug 23, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026