Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X3PD843602 · Truck-Tractor · TRUCK
Carriers run under3
32 mo
Inspections7
all-time
OOS inspections2
of 7
First seenNov 13, 2023
TN
Last seenJul 18, 2026
AR
Inspected under 3 different carriers in 32 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
1XPBD49X3PD843602
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 24, 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
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
843602

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 · Nov 13, 2023 – Jul 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 18, 2026ARI · Full1OOSNN TRUCKING INC 2920574P1354841/IL
Jun 11, 2026MDII · Walk-around0NN TRUCKING INC 2920574P1354841/IL
Dec 12, 2025TNIII · Driver-only1NN TRUCKING INC 2920574P1246587/IL
Sep 17, 2025INIII · Driver-only2FILMAR LOGISTICS LLC 4091862P1246587/IL
Feb 10, 2025INIII · Driver-only1PRETTY TRANSPORT INC 3797950P1246587/IL
Oct 2, 2024WII · Full3OOSPRETTY TRANSPORT INC 3797950P1246587/IL
Nov 13, 2023TNII · Walk-around0PRETTY TRANSPORT INC 3797950P1104310/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NN TRUCKING INC2920574Dec 12, 2025Jul 18, 20263IL
FILMAR LOGISTICS LLC4091862Sep 17, 2025Sep 17, 20251IL
PRETTY TRANSPORT INC3797950Nov 13, 2023Feb 10, 20253IL
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.
P1354841IL1NN TRUCKING INCJun 11, 2026Jul 18, 20262
P1246587ILNN TRUCKING INCDec 12, 2025Dec 12, 20251
P1246587ILFILMAR LOGISTICS LLCSep 17, 2025Sep 17, 20251
P1246587ILPRETTY TRANSPORT INCOct 2, 2024Feb 10, 20252
P1104310ILPRETTY TRANSPORT INCNov 13, 2023Nov 13, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026