Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X0MD743373 · Truck-Tractor · TRUCK
Carriers run under2
24 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJul 29, 2024
OH
Last seenJul 23, 2026
NM
Inspected under 2 different carriers in 24 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
1XPBDP9X0MD743373
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
Jul 31, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
View sourced platform decode
02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 29, 2024 – Jul 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 23, 2026NMIII · Driver-only0—SSR LOGISTICS LLC 3063284DF56TYT/FL
Sep 20, 2024KYIII · Driver-only0—PAM TRANSPORT INC 1797523146843/IN
Jul 29, 2024OHII · Walk-around3OOSPAM TRANSPORT INC 1797523146843/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SSR LOGISTICS LLC3063284Jul 23, 2026Jul 23, 20261FL
PAM TRANSPORT INC179752Jul 29, 2024Sep 20, 20242AR
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.
DF56TYTFL1SSR LOGISTICS LLCJul 23, 2026 → Jul 23, 20261
3146843IN—PAM TRANSPORT INCJul 29, 2024 → Sep 20, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026