Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X3MD738040 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections6
all-time
OOS inspections2
of 6
First seenJun 29, 2023
CA
Last seenFeb 4, 2026
CA
Inspected under 2 different carriers in 32 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
1XPBDP9X3MD738040
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 25, 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 29, 2023 – Feb 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 4, 2026CAI · Full1OOSBLACK TOP TRANSPORTATION LLC 42061629G16938/CA
Feb 4, 2026CAI · Full0BLACK TOP TRANSPORTATION LLC 42061629G16938/CA
Nov 5, 2025CAII · Walk-around2BLACK TOP TRANSPORTATION LLC 42061629G16938/CA
Apr 8, 2025CAI · Full2BLACK TOP TRANSPORTATION LLC 42061629H07301/CA
Dec 20, 2023CAII · Walk-around2BRENT REDMOND TRANSPORTATION INC 458298
Jun 29, 2023CAI · Full1OOSBRENT REDMOND TRANSPORTATION INC 458298YP03255/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BLACK TOP TRANSPORTATION LLC4206162Apr 8, 2025Feb 4, 20264CA
BRENT REDMOND TRANSPORTATION INC458298Jun 29, 2023Dec 20, 20232CA
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.
9G16938CABLACK TOP TRANSPORTATION LLCNov 5, 2025Feb 4, 20263
9H07301CABLACK TOP TRANSPORTATION LLCApr 8, 2025Apr 8, 20251
CABRENT REDMOND TRANSPORTATION INCDec 20, 2023Dec 20, 20231
YP03255CABRENT REDMOND TRANSPORTATION INCJun 29, 2023Jun 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026