Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X7MD748232 · Truck-Tractor · TRUCK

Carriers run under2

18 mo

Inspections3

all-time

OOS inspections1

of 3

First seen09/27/2024

Last seen03/05/2026

Inspected under 2 different carriers in 18 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.

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN: 1XPBDP9X7MD748232
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: 07/31/2026

vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.

Inspection history

Every roadside inspection of this VIN, newest first · 09/27/2024 – 03/05/2026

Date	State	Level	Viol.	OOS	Carrier (DOT)	Plate
03/05/2026	NC	II · Walk-around	11	OOS	MEB EXPRESS INC 3101120	XD593X/FL
11/26/2024	MS	II · Walk-around	0	—	WEL COMPANIES INC 166046	18699Z/WI
09/27/2024	IL	III · Driver-only	1	—	WEL COMPANIES INC 166046	18699Z/WI

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

Carrier	DOT	First seen	Last seen	Insp.	State
MEB EXPRESS INC	3101120	03/05/2026	03/05/2026	1	FL
WEL COMPANIES INC	166046	09/27/2024	11/26/2024	2	WI

Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.

Plate & unit-number history

The same truck under different plate registrations across carriers

Plate	State / prov.	Unit no.	Carrier	Date range	Insp.
XD593X	FL	—	MEB EXPRESS INC	03/05/2026 → 03/05/2026	1
18699Z	WI	—	WEL COMPANIES INC	09/27/2024 → 11/26/2024	2

Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/31/2026