Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X3MD735587 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections4
all-time
OOS inspections1
of 4
First seenMar 2, 2024
NM
Last seenJul 8, 2026
CO
Inspected under 2 different carriers in 28 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
1XPBD49X3MD735587
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 14, 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 · Mar 2, 2024 – Jul 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 8, 2026COIII · Driver-only0—RANDAL BENSON 1754733K834757/AR
Jun 18, 2025KSII · Walk-around1OOSD & M CARRIERS LLC 9633003JY364/OK
Jul 16, 2024OKIII · Driver-only0—D & M CARRIERS LLC 9633003JY364/OK
Mar 2, 2024NMII · Walk-around0—D & M CARRIERS LLC 9633003FC116/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RANDAL BENSON1754733Jul 8, 2026Jul 8, 20261AR
D & M CARRIERS LLC963300Mar 2, 2024Jun 18, 20253OK
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.
K834757AR1RANDAL BENSONJul 8, 2026 → Jul 8, 20261
3JY364OK1D & M CARRIERS LLCJul 16, 2024 → Jun 18, 20252
3FC116OK1D & M CARRIERS LLCMar 2, 2024 → Mar 2, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 14, 2026