Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X8PD875588 · Truck-Tractor · TRUCK
Carriers run under3
30 mo
Inspections7
all-time
OOS inspections3
of 7
First seen09/15/2023
IL
Last seen03/23/2026
AZ
Inspected under 3 different carriers in 30 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
1XPBD49X8PD875588
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
06/21/2026
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 · 09/15/2023 – 03/23/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
03/23/2026AZII · Walk-around2OOSLONGHORN CARGO LLC 3076448AKB443/KS
05/29/2025LAI · Full6—RS6 EXPRESS LLC 3894456P1203686/IL
05/22/2025KSII · Walk-around5OOSRS6 EXPRESS LLC 3894456P1203686/IL
07/31/2024NCIII · Driver-only1—RS6 EXPRESS LLC 3894456P1203686/IL
03/07/2024TNII · Walk-around3OOSRS6 EXPRESS LLC 3894456P1203686/UK
10/18/2023CAII · Walk-around0—VAKO TRUCKING LLC 3846628P1203686/IL
09/15/2023ILI · Full0—VAKO TRUCKING LLC 3846628P1203686/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LONGHORN CARGO LLC307644803/23/202603/23/20261KS
RS6 EXPRESS LLC389445603/07/202405/29/20254IL
VAKO TRUCKING LLC384662809/15/202310/18/20232IL
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.
AKB443KS—LONGHORN CARGO LLC03/23/2026 → 03/23/20261
P1203686IL—RS6 EXPRESS LLC07/31/2024 → 05/29/20253
P1203686UK—RS6 EXPRESS LLC03/07/2024 → 03/07/20241
P1203686IL—VAKO TRUCKING LLC09/15/2023 → 10/18/20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/21/2026