Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X4PD849053 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections4
all-time
OOS inspections0
of 4
First seenMay 9, 2024
ND
Last seenJun 19, 2026
LA
Inspected under 2 different carriers in 25 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
1XPBD49X4PD849053
Make
Peterbilt
Model
579
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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 · May 9, 2024 – Jun 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 19, 2026LAII · Walk-around0—SOUTHERN INTERMODAL XPRESS LLC 16050613293633/IN
Mar 9, 2026MOII · Walk-around0—ATS SPECIALIZED INC 6060563293633/IN
Oct 2, 2024NCIII · Driver-only0—ATS SPECIALIZED INC 6060563293633/IN
May 9, 2024NDII · Walk-around2—ATS SPECIALIZED INC 6060563293633/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHERN INTERMODAL XPRESS LLC1605061Jun 19, 2026Jun 19, 20261AL
ATS SPECIALIZED INC606056May 9, 2024Mar 9, 20263MN
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.
3293633IN1SOUTHERN INTERMODAL XPRESS LLCJun 19, 2026 → Jun 19, 20261
3293633IN—ATS SPECIALIZED INCMay 9, 2024 → Mar 9, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026