Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X7MD714405 · Truck-Tractor · TRUCK
Carriers run under1
22 mo
Inspections6
all-time
OOS inspections2
of 6
First seenSep 4, 2024
SC
Last seenJul 1, 2026
SC
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDP9X7MD714405
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 29, 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 · Sep 4, 2024 – Jul 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 1, 2026SCIII · Driver-only1—GRAY ROCK LLC 2643083NP4627/NC
Jan 29, 2026SCI · Full0—GRAY ROCK LLC 2643083NP4627/NC
Sep 9, 2025NCIII · Driver-only0—GRAY ROCK LLC 2643083NP4627/NC
Aug 4, 2025NCII · Walk-around2OOSGRAY ROCK LLC 2643083NP4627/NC
Dec 26, 2024NCIII · Driver-only2OOSGRAY ROCK LLC 2643083NP4627/NC
Sep 4, 2024SCIII · Driver-only2—GRAY ROCK LLC 2643083NP4627/NC
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GRAY ROCK LLC2643083Sep 4, 2024Jul 1, 20266NC
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.
NP4627NC1GRAY ROCK LLCSep 4, 2024 → Jul 1, 20266
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026