Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X3PD875479 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections3
all-time
OOS inspections1
of 3
First seenOct 26, 2023
AZ
Last seenMay 22, 2026
AR
Inspected under 2 different carriers in 31 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
1XPBD49X3PD875479
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
Jul 30, 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 · Oct 26, 2023 – May 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 22, 2026ARIII · Driver-only0—NEXT UNLIMITED TRUCKING SERVICE LLC 3414318TEMPORARY/IL
Jul 15, 2024KYII · Walk-around1OOSRS6 EXPRESS LLC 3894456P1184428/IL
Oct 26, 2023AZII · Walk-around1—RS6 EXPRESS LLC 3894456P1184428/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NEXT UNLIMITED TRUCKING SERVICE LLC3414318May 22, 2026May 22, 20261FL
RS6 EXPRESS LLC3894456Oct 26, 2023Jul 15, 20242IL
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.
TEMPORARYIL—NEXT UNLIMITED TRUCKING SERVICE LLCMay 22, 2026 → May 22, 20261
P1184428IL—RS6 EXPRESS LLCJul 15, 2024 → Jul 15, 20241
P1184428IN—RS6 EXPRESS LLCOct 26, 2023 → Oct 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 30, 2026