Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X3PD825439 · Truck-Tractor · TRUCK
Carriers run under3
8 mo
Inspections6
all-time
OOS inspections1
of 6
First seenAug 7, 2025
GA
Last seenApr 14, 2026
NM
Inspected under 3 different carriers in 8 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
1XPBDP9X3PD825439
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 25, 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
3 · valid

Deterministic · position 9; calculated value 3.

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
825439

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 7, 2025 – Apr 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 14, 2026NMII · Walk-around2NTXTC LLC 4190389P1241106/IL
Apr 7, 2026AZIII · Driver-only0NTXTC LLC 4190389P1241106/IL
Apr 4, 2026COIII · Driver-only3NTXTC LLC 4190389P1241106/IL
Mar 17, 2026AZII · Walk-around3BOBBINDOTS TRANSPORT LLC 4318241P1241106/IL
Aug 20, 2025TXI · Full5OOSTWIN CARRIER LLC 3518735P1241106/IL
Aug 7, 2025GAIII · Driver-only1TWIN CARRIER LLC 3518735P1241106/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NTXTC LLC4190389Apr 4, 2026Apr 14, 20263TX
BOBBINDOTS TRANSPORT LLC4318241Mar 17, 2026Mar 17, 20261TX
TWIN CARRIER LLC3518735Aug 7, 2025Aug 20, 20252OH
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.
P1241106ILNTXTC LLCApr 4, 2026Apr 14, 20263
P1241106ILBOBBINDOTS TRANSPORT LLCMar 17, 2026Mar 17, 20261
P1241106ILTWIN CARRIER LLCAug 7, 2025Aug 20, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026