Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 579

1XPBD49X3FD242933 · Truck-Tractor · TRUCK
Carriers run under3
34 mo
Inspections7
all-time
OOS inspections3
of 7
First seenJun 20, 2023
IL
Last seenApr 20, 2026
TX
Inspected under 3 different carriers in 34 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
1XPBD49X3FD242933
Make
Peterbilt
Model
579
Model year
2015
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 20, 2023 – Apr 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 20, 2026TXI · Full9OOSLOPEZ GARZA TRANSPORT LLC 24258521N75972/TX
Apr 1, 2026TXII · Walk-around0—LOPEZ GARZA TRANSPORT LLC 2425852R799839/TX
Jan 5, 2026TXI · Full7—LOPEZ GARZA TRANSPORT LLC 2425852R799839/TX
Nov 18, 2025TXII · Walk-around4OOSLOPEZ GARZA TRANSPORT LLC 2425852R799839/TX
Nov 5, 2025TXII · Walk-around1OOSLOPEZ GARZA TRANSPORT LLC 2425852R799839/TX
Oct 11, 2025TXII · Walk-around3—STEPHENS UNLIMITED LLC 2975210R799839/TX
Jun 20, 2023ILIII · Driver-only0—SMEDEMA TRUCKING INC 18180025151Z/WI
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LOPEZ GARZA TRANSPORT LLC2425852Nov 5, 2025Apr 20, 20265TX
STEPHENS UNLIMITED LLC2975210Oct 11, 2025Oct 11, 20251TX
SMEDEMA TRUCKING INC181800Jun 20, 2023Jun 20, 20231WI
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.
1N75972TX—LOPEZ GARZA TRANSPORT LLCApr 20, 2026 → Apr 20, 20261
R799839TX—LOPEZ GARZA TRANSPORT LLCNov 5, 2025 → Apr 1, 20264
R799839TX—STEPHENS UNLIMITED LLCOct 11, 2025 → Oct 11, 20251
25151ZWI—SMEDEMA TRUCKING INCJun 20, 2023 → Jun 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026