Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X7MD742799 · Truck-Tractor · TRUCK
Carriers run under2
20 mo
Inspections4
all-time
OOS inspections0
of 4
First seenMay 23, 2024
NC
Last seenJan 9, 2026
TX
Inspected under 2 different carriers in 20 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
1XPBDP9X7MD742799
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 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 23, 2024 – Jan 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 9, 2026TXI · Full0—HMR TRANSPORT INC 19542031N94612/TX
Mar 19, 2025TXII · Walk-around0—PAM TRANSPORT INC 1797523107977/IN
Jun 2, 2024NCIII · Driver-only0—PAM TRANSPORT INC 1797523107977/IN
May 23, 2024NCIII · Driver-only0—PAM TRANSPORT INC 1797523107977/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HMR TRANSPORT INC1954203Jan 9, 2026Jan 9, 20261TX
PAM TRANSPORT INC179752May 23, 2024Mar 19, 20253AR
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.
1N94612TX—HMR TRANSPORT INCJan 9, 2026 → Jan 9, 20261
3107977IN—PAM TRANSPORT INCMay 23, 2024 → Mar 19, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026