Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X6MD751637 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections6
all-time
OOS inspections0
of 6
First seen01/26/2024
OH
Last seen07/03/2026
IA
Inspected under 2 different carriers in 30 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
1XPBD49X6MD751637
Make
Peterbilt
Model
579
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/28/2026
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 · 01/26/2024 – 07/03/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
07/03/2026IAIII · Driver-only15—ERIK ALEJANDRO MARTINEZ 3431739R782068/TX
12/15/2025KYIII · Driver-only1—ERIK ALEJANDRO MARTINEZ 3431739R782068/TX
10/16/2025KSII · Walk-around3—ERIK ALEJANDRO MARTINEZ 3431739R782068/TX
08/23/2025KSII · Walk-around2—ERIK ALEJANDRO MARTINEZ 3431739R782068/TX
06/02/2025CAII · Walk-around0—ERIK ALEJANDRO MARTINEZ 3431739R782068/TX
01/26/2024OHII · Walk-around0—USA TRUCK LLC 2137543063739/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ERIK ALEJANDRO MARTINEZ343173906/02/202507/03/20265TX
USA TRUCK LLC21375401/26/202401/26/20241AR
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.
R782068TX1ERIK ALEJANDRO MARTINEZ06/02/2025 → 07/03/20265
3063739IN—USA TRUCK LLC01/26/2024 → 01/26/20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/28/2026