Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X5MD735138 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections8
all-time
OOS inspections1
of 8
First seenSep 20, 2023
VA
Last seenJun 19, 2026
TX
Inspected under 2 different carriers in 33 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
1XPBDP9X5MD735138
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 21, 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 · Sep 20, 2023 – Jun 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 19, 2026TXII · Walk-around0—SOUTH LINES LOGISTICS LLC 2377235R839144/TX
May 5, 2025IAI · Full0—DOT TRANSPORTATION INC 424023P962085/IL
Jul 8, 2024TNIII · Driver-only0—DOT TRANSPORTATION INC 424023P962085/IL
Feb 8, 2024TNIII · Driver-only0—DOT TRANSPORTATION INC 424023P962085/UK
Feb 7, 2024MSI · Full0—DOT TRANSPORTATION INC 424023P962085/IL
Jan 8, 2024ARIII · Driver-only1—DOT TRANSPORTATION INC 424023P962085/TN
Sep 21, 2023KYI · Full1OOSDOT TRANSPORTATION INC 424023P962085/IL
Sep 20, 2023VAIII · Driver-only0—DOT TRANSPORTATION INC 424023P962085/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTH LINES LOGISTICS LLC2377235Jun 19, 2026Jun 19, 20261TX
DOT TRANSPORTATION INC424023Sep 20, 2023May 5, 20257IL
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.
R839144TX1SOUTH LINES LOGISTICS LLCJun 19, 2026 → Jun 19, 20261
P962085IL—DOT TRANSPORTATION INCSep 20, 2023 → May 5, 20255
P962085UK—DOT TRANSPORTATION INCFeb 8, 2024 → Feb 8, 20241
P962085TN—DOT TRANSPORTATION INCJan 8, 2024 → Jan 8, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026