Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9XXMD735846 · Truck-Tractor · TRUCK
Carriers run under2
23 mo
Inspections4
all-time
OOS inspections1
of 4
First seenAug 9, 2024
KY
Last seenJul 15, 2026
TX
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
1XPBDP9XXMD735846
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
Jul 31, 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 · Aug 9, 2024 – Jul 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 15, 2026TXII · Walk-around3—HERNANDEZ TRANSPORT LLC 38965743LW368/OK
Jul 15, 2026TXII · Walk-around3—HERNANDEZ TRANSPORT LLC 38965743LW368/OK
Dec 10, 2025OKIII · Driver-only2—HERNANDEZ TRANSPORT LLC 38965743LW368/OK
Aug 9, 2024KYI · Full2OOSEW WYLIE LLC 82762212925P/ND
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HERNANDEZ TRANSPORT LLC3896574Dec 10, 2025Jul 15, 20263OK
EW WYLIE LLC827622Aug 9, 2024Aug 9, 20241ND
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.
3LW368OK1HERNANDEZ TRANSPORT LLCDec 10, 2025 → Jul 15, 20263
12925PND—EW WYLIE LLCAug 9, 2024 → Aug 9, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026
2021 Peterbilt 579 — VIN 1XPBDP9XXMD735846