Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X6MD735861 · Truck-Tractor · TRUCK
Carriers run under2
37 mo
Inspections8
all-time
OOS inspections0
of 8
First seenJun 28, 2023
NV
Last seenJul 27, 2026
TX
Inspected under 2 different carriers in 37 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
1XPBDP9X6MD735861
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 25, 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 28, 2023 – Jul 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 27, 2026TXII · Walk-around0—BIG STAR TRANSPORTATION LLC 21867703NY802/OK
Jul 2, 2026TXII · Walk-around0—BIG STAR TRANSPORTATION LLC 21867703NY802/OK
Dec 15, 2025TXII · Walk-around0—BIG STAR TRANSPORTATION LLC 2186770R794047/TX
Jun 21, 2025TXIII · Driver-only1—BIG STAR TRANSPORTATION LLC 2186770TEMP/TX
Jun 5, 2024MTI · Full0—EW WYLIE LLC 82762212941P/ND
Apr 26, 2024OKIII · Driver-only0—EW WYLIE LLC 82762212941P/ND
Mar 30, 2024ILIII · Driver-only0—EW WYLIE LLC 82762212941P/ND
Jun 28, 2023NVIII · Driver-only0—EW WYLIE LLC 82762212941P/ND
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG STAR TRANSPORTATION LLC2186770Jun 21, 2025Jul 27, 20264OK
EW WYLIE LLC827622Jun 28, 2023Jun 5, 20244ND
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.
3NY802OK1BIG STAR TRANSPORTATION LLCJul 2, 2026 → Jul 27, 20262
R794047TX—BIG STAR TRANSPORTATION LLCDec 15, 2025 → Dec 15, 20251
TEMPTX—BIG STAR TRANSPORTATION LLCJun 21, 2025 → Jun 21, 20251
12941PND—EW WYLIE LLCJun 28, 2023 → Jun 5, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026