Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X2PD862366 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections7
all-time
OOS inspections2
of 7
First seenJul 5, 2024
IA
Last seenAug 14, 2026
GA
Inspected under 2 different carriers in 25 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
1XPBD49X2PD862366
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
2 · valid

Deterministic · position 9; calculated value 2.

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
862366

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 · Jul 5, 2024 – Aug 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 14, 2026GAIII · Driver-only2OOSNTXTC LLC 4190389P1357562/IL
Aug 14, 2026GAIII · Driver-only2OOSNTXTC LLC 4190389P1357562/IL
May 20, 2026ILIII · Driver-only0NTXTC LLC 4190389P1357562/IL
May 1, 2026MIIII · Driver-only1NTXTC LLC 4190389TEMP/IL
Aug 23, 2024PAIII · Driver-only1TWIN CARRIER LLC 35187351240628/TX
Jul 8, 2024LAIII · Driver-only0TWIN CARRIER LLC 3518735P1240628/IL
Jul 5, 2024IAIII · Driver-only1TWIN CARRIER LLC 3518735TEMP/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NTXTC LLC4190389May 1, 2026Aug 14, 20264TX
TWIN CARRIER LLC3518735Jul 5, 2024Aug 23, 20243OH
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.
P1357562IL1NTXTC LLCMay 20, 2026Aug 14, 20263
TEMPILNTXTC LLCMay 1, 2026May 1, 20261
1240628TXTWIN CARRIER LLCAug 23, 2024Aug 23, 20241
P1240628ILTWIN CARRIER LLCJul 8, 2024Jul 8, 20241
TEMPILTWIN CARRIER LLCJul 5, 2024Jul 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026