Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X4PD879914 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections11
all-time
OOS inspections4
of 11
First seenJul 12, 2023
SD
Last seenMar 25, 2026
LA
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
1XPBD49X4PD879914
Make
Peterbilt
Model
579
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 18, 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 · Jul 12, 2023 – Mar 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 25, 2026LAI · Full2OOSVALLE TRANSPORTATION SERVICE LLC 2357727R830307/TX
May 29, 2025CAII · Walk-around1—QUALITY FREIGHT XPRESS INC 3017657YP76074/CA
Apr 14, 2025NMII · Walk-around2—QUALITY FREIGHT XPRESS INC 3017657YP76074/CA
Oct 27, 2024ILIII · Driver-only0—QUALITY FREIGHT XPRESS INC 3017657YP76074/CA
Feb 8, 2024ARIII · Driver-only2—QUALITY FREIGHT XPRESS INC 3017657YP76074/CA
Dec 17, 2023CAII · Walk-around2OOSQUALITY FREIGHT XPRESS INC 3017657YP76074/CA
Dec 10, 2023UTI · Full7OOSQUALITY FREIGHT XPRESS INC 3017657YP76074/CA
Sep 26, 2023NEIII · Driver-only0—QUALITY FREIGHT XPRESS INC 3017657YP76074/CA
Sep 13, 2023IAII · Walk-around2OOSQUALITY FREIGHT XPRESS INC 3017657YP76074/CA
Jul 13, 2023UTI · Full2—QUALITY FREIGHT XPRESS INC 3017657YP76074/CA
Jul 12, 2023SDIII · Driver-only1—QUALITY FREIGHT XPRESS INC 3017657YP76074/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VALLE TRANSPORTATION SERVICE LLC2357727Mar 25, 2026Mar 25, 20261TX
QUALITY FREIGHT XPRESS INC3017657Jul 12, 2023May 29, 202510CA
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.
R830307TX—VALLE TRANSPORTATION SERVICE LLCMar 25, 2026 → Mar 25, 20261
YP76074CA—QUALITY FREIGHT XPRESS INCJul 12, 2023 → May 29, 202510
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026