Equipment unit · VIN-decoded · NHTSA vPIC

2025 Peterbilt 579

1XPBDP9X5SD720930 · Truck-Tractor · TRUCK
Carriers run under3
19 mo
Inspections5
all-time
OOS inspections0
of 5
First seen09/24/2024
CA
Last seen04/13/2026
NM
Inspected under 3 different carriers in 19 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
1XPBDP9X5SD720930
Make
Peterbilt
Model
579
Model year
2025
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/29/2026
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 · 09/24/2024 – 04/13/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
04/13/2026NMII · Walk-around2—SHER EXPRESS LLC 3877804P1249746/IL
03/30/2026NVIII · Driver-only0—SHER EXPRESS LLC 3877804P1249746/IL
08/24/2025COIII · Driver-only0—FIR EXPRESS LLC 3767714P1249746/IL
09/24/2024CAII · Walk-around1—GUISHE TRUCKING CORP 2359690P1249746/IL
09/24/2024CAII · Walk-around1—GUISHE TRUCKING CORP 2359690P1249746/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHER EXPRESS LLC387780403/30/202604/13/20262IL
FIR EXPRESS LLC376771408/24/202508/24/20251IL
GUISHE TRUCKING CORP235969009/24/202409/24/20242IL
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.
P1249746IL—SHER EXPRESS LLC03/30/2026 → 04/13/20262
P1249746IL—FIR EXPRESS LLC08/24/2025 → 08/24/20251
P1249746IL—GUISHE TRUCKING CORP09/24/2024 → 09/24/20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/29/2026
2025 Peterbilt 579 — VIN 1XPBDP9X5SD720930 | Vektor