Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X1MD735667 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJun 30, 2023
OK
Last seenOct 14, 2025
LA
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
1XPBD49X1MD735667
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 · Jun 30, 2023 – Oct 14, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 14, 2025LAIII · Driver-only0—KURT HARTMAN 2589443R776663/TX
Oct 17, 2024COII · Walk-around0—D & M CARRIERS LLC 9633003EZ824/OK
Nov 27, 2023ARIII · Driver-only0—D & M CARRIERS LLC 9633003EZ824/OK
Jun 30, 2023OKIII · Driver-only0—D & M CARRIERS LLC 9633003EZ824/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KURT HARTMAN2589443Oct 14, 2025Oct 14, 20251TX
D & M CARRIERS LLC963300Jun 30, 2023Oct 17, 20243OK
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.
R776663TX—KURT HARTMANOct 14, 2025 → Oct 14, 20251
3EZ824OK1D & M CARRIERS LLCJun 30, 2023 → Oct 17, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026
2021 Peterbilt 579 — VIN 1XPBD49X1MD735667