Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X4PD880397 · Truck-Tractor · TRUCK
Carriers run under2
23 mo
Inspections7
all-time
OOS inspections1
of 7
First seenFeb 28, 2024
TX
Last seenJan 22, 2026
KY
Inspected under 2 different carriers in 23 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
1XPBD49X4PD880397
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 21, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
880397

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 · Feb 28, 2024 – Jan 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 22, 2026KYII · Walk-around1OOSSBC TRANSPORTATION INC 143668881LA4F/TX
Nov 13, 2025TXII · Walk-around1SBC TRANSPORTATION INC 1436688R765446/TX
Sep 30, 2025COII · Walk-around1SBC TRANSPORTATION INC 1436688R765446/TX
Sep 16, 2025TXI · Full3SBC TRANSPORTATION INC 1436688R765446/TX
Jul 29, 2024UTI · Full2PROFLEET CARRIERS INC 3078358R660001/TX
Jul 21, 2024ARII · Walk-around2PROFLEET CARRIERS INC 3078358R660001/TX
Feb 28, 2024TXII · Walk-around0PROFLEET CARRIERS INC 3078358R660001/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SBC TRANSPORTATION INC1436688Sep 16, 2025Jan 22, 20264TX
PROFLEET CARRIERS INC3078358Feb 28, 2024Jul 29, 20243TX
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.
81LA4FTXSBC TRANSPORTATION INCJan 22, 2026Jan 22, 20261
R765446TXSBC TRANSPORTATION INCSep 16, 2025Nov 13, 20253
R660001TXPROFLEET CARRIERS INCFeb 28, 2024Jul 29, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026