Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBDP9X8LD487451 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections11
all-time
OOS inspections0
of 11
First seenAug 28, 2023
UT
Last seenApr 1, 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
1XPBDP9X8LD487451
Make
Peterbilt
Model
579
Model year
2020
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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 · Aug 28, 2023 – Apr 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 1, 2026CAI · Full1—ST LOGISTICS LLC 38763209G78052/CA
Nov 6, 2025CAI · Full0—ST LOGISTICS LLC 38763209G78052/CA
Sep 2, 2025CAIII · Driver-only0—ST LOGISTICS LLC 38763209G78052/CA
Apr 28, 2025CAI · Full0—ST LOGISTICS LLC 3876320ZP18312/CA
Feb 27, 2025CAI · Full0—ST LOGISTICS LLC 3876320ZP18312/CA
Feb 3, 2025CAII · Walk-around1—ST LOGISTICS LLC 3876320ZP18312/CA
Dec 17, 2024CAII · Walk-around0—ST LOGISTICS LLC 3876320ZP18312/CA
Aug 23, 2024CAV · Vehicle-only0—ST LOGISTICS LLC 3876320ZP18312/CA
Jul 15, 2024NVII · Walk-around4—ST LOGISTICS LLC 3876320ZP18312/CA
Mar 14, 2024CAI · Full1—ST LOGISTICS LLC 3876320ZP18312/CA
Aug 28, 2023UTIII · Driver-only0—BARNEY TRUCKING INC 123729Z070449/UT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ST LOGISTICS LLC3876320Mar 14, 2024Apr 1, 202610CA
BARNEY TRUCKING INC123729Aug 28, 2023Aug 28, 20231UT
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.
9G78052CA—ST LOGISTICS LLCSep 2, 2025 → Apr 1, 20263
ZP18312CA—ST LOGISTICS LLCMar 14, 2024 → Apr 28, 20257
Z070449UT1BARNEY TRUCKING INCAug 28, 2023 → Aug 28, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026