Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X5MD748987 · Truck-Tractor · TRUCK
Carriers run under2
11 mo
Inspections3
all-time
OOS inspections0
of 3
First seen05/25/2025
SC
Last seen04/07/2026
TN
Inspected under 2 different carriers in 11 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
1XPBDP9X5MD748987
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · 05/25/2025 – 04/07/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
04/07/2026TNI · Full0—MEB EXPRESS INC 3101120XD732X/FL
11/07/2025MOI · Full1—WEL COMPANIES INC 16604677139Z/WI
05/25/2025SCII · Walk-around0—WEL COMPANIES INC 16604677139Z/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MEB EXPRESS INC310112004/07/202604/07/20261FL
WEL COMPANIES INC16604605/25/202511/07/20252WI
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.
XD732XFL—MEB EXPRESS INC04/07/2026 → 04/07/20261
77139ZWI—WEL COMPANIES INC05/25/2025 → 11/07/20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/31/2026