Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X7MD758534 · Truck-Tractor · TRUCK
Carriers run under3
28 mo
Inspections5
all-time
OOS inspections1
of 5
First seen10/03/2023
MO
Last seen02/19/2026
MO
Inspected under 3 different carriers in 28 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
1XPBDP9X7MD758534
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
06/29/2026
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 · 10/03/2023 – 02/19/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
02/19/2026MOII · Walk-around2—SOA TRANSPORT LLC 428734882KT3R/MO
11/06/2025COII · Walk-around0—SOA TRANSPORT LLC 428734882KT3R/MO
02/21/2025WIII · Walk-around3—NMM TRUCKING LLC 349150782KT3R/MO
05/08/2024SDII · Walk-around1OOSEW WYLIE LLC 8276223906P/ND
10/03/2023MOII · Walk-around0—EW WYLIE LLC 8276223906P/ND
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOA TRANSPORT LLC428734811/06/202502/19/20262MO
NMM TRUCKING LLC349150702/21/202502/21/20251MO
EW WYLIE LLC82762210/03/202305/08/20242ND
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.
82KT3RMO—SOA TRANSPORT LLC11/06/2025 → 02/19/20262
82KT3RMO—NMM TRUCKING LLC02/21/2025 → 02/21/20251
3906PND—EW WYLIE LLC10/03/2023 → 05/08/20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/29/2026