Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X4MD753534 · Truck-Tractor · TRUCK
Carriers run under3
29 mo
Inspections11
all-time
OOS inspections1
of 11
First seenJan 22, 2024
ND
Last seenJun 29, 2026
SC
Inspected under 3 different carriers in 29 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
1XPBDP9X4MD753534
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
Jun 19, 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 · Jan 22, 2024 – Jun 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 29, 2026SCIII · Driver-only2—EDMUND T PORTERFIELD 1691880C061FL/GA
Feb 27, 2026SDII · Walk-around3OOSALLIANCE DRIVEAWAY SOLUTIONS INC 2372592DA98HW/MO
Jul 6, 2025IAIII · Driver-only0—EW WYLIE LLC 82762241361P/ND
Jul 2, 2025OHIII · Driver-only0—EW WYLIE LLC 82762241361P/ND
Apr 7, 2025NMII · Walk-around0—EW WYLIE LLC 82762241361P/ND
Dec 9, 2024ARIII · Driver-only2—EW WYLIE LLC 82762241361P/ND
Aug 13, 2024SDIII · Driver-only0—EW WYLIE LLC 82762241361P/ND
Aug 5, 2024NMIII · Driver-only0—EW WYLIE LLC 82762241361P/ND
Jun 5, 2024MNIII · Driver-only1—EW WYLIE LLC 82762241361P/ND
Feb 4, 2024NDII · Walk-around1—EW WYLIE LLC 82762241361P/ND
Jan 22, 2024NDIII · Driver-only0—EW WYLIE LLC 82762241361P/ND
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EDMUND T PORTERFIELD1691880Jun 29, 2026Jun 29, 20261GA
ALLIANCE DRIVEAWAY SOLUTIONS INC2372592Feb 27, 2026Feb 27, 20261MO
EW WYLIE LLC827622Jan 22, 2024Jul 6, 20259ND
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.
C061FLGA1EDMUND T PORTERFIELDJun 29, 2026 → Jun 29, 20261
DA98HWMO—ALLIANCE DRIVEAWAY SOLUTIONS INCFeb 27, 2026 → Feb 27, 20261
41361PND—EW WYLIE LLCJan 22, 2024 → Jul 6, 20259
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026