Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X2MD732390 · Truck-Tractor · TRUCK
Carriers run under2
24 mo
Inspections6
all-time
OOS inspections0
of 6
First seenAug 8, 2023
ID
Last seenAug 1, 2025
LA
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
1XPBD49X2MD732390
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
Jun 24, 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 · Aug 8, 2023 – Aug 1, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 1, 2025LAIII · Driver-only1—DAI RONG EXPRESS INC 2580472R750013/TX
Dec 20, 2024NCIII · Driver-only0—DAI RONG EXPRESS INC 2580472R750013/TX
Jun 11, 2024KSII · Walk-around0—LARRY WILLIAMS TRUCKING LLC 11110203JN723/OK
Apr 15, 2024MSII · Walk-around0—LARRY WILLIAMS TRUCKING LLC 11110203JN 723/OK
Nov 20, 2023UTIII · Driver-only0—LARRY WILLIAMS TRUCKING LLC 11110203EU430/OK
Aug 8, 2023IDII · Walk-around1—LARRY WILLIAMS TRUCKING LLC 11110203EU430/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DAI RONG EXPRESS INC2580472Dec 20, 2024Aug 1, 20252TX
LARRY WILLIAMS TRUCKING LLC1111020Aug 8, 2023Jun 11, 20244OK
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.
R750013TX—DAI RONG EXPRESS INCDec 20, 2024 → Aug 1, 20252
3JN723OK—LARRY WILLIAMS TRUCKING LLCJun 11, 2024 → Jun 11, 20241
3JN 723OK—LARRY WILLIAMS TRUCKING LLCApr 15, 2024 → Apr 15, 20241
3EU430OK—LARRY WILLIAMS TRUCKING LLCAug 8, 2023 → Nov 20, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026