Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X4MD707735 · Truck-Tractor · TRUCK
Carriers run under3
19 mo
Inspections4
all-time
OOS inspections0
of 4
First seen12/20/2024
OR
Last seen07/22/2026
SC
Inspected under 3 different carriers in 19 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
1XPBDP9X4MD707735
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
07/26/2026
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 · 12/20/2024 – 07/22/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
07/22/2026SCIII · Driver-only0—AMMAR EXPRESS LLC 3510889PXD6653/OH
10/27/2025VAIII · Driver-only1—AMMAR EXPRESS LLC 3510889PXD6653/OH
05/30/2025INIII · Driver-only3—FALCON CARGO LLC 3810020PXC3333/OH
12/20/2024ORI · Full1—US EXP TRUCKING INCORPORATED 3073333PXB2121/OH
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AMMAR EXPRESS LLC351088910/27/202507/22/20262OH
FALCON CARGO LLC381002005/30/202505/30/20251VA
US EXP TRUCKING INCORPORATED307333312/20/202412/20/20241IL
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.
PXD6653OH1AMMAR EXPRESS LLC10/27/2025 → 07/22/20262
PXC3333OH—FALCON CARGO LLC05/30/2025 → 05/30/20251
PXB2121OH—US EXP TRUCKING INCORPORATED12/20/2024 → 12/20/20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/26/2026