Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X0PD791717 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections8
all-time
OOS inspections2
of 8
First seen09/08/2023
CA
Last seen03/06/2026
TX
Inspected under 2 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
1XPBD49X0PD791717
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 · 09/08/2023 – 03/06/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
03/06/2026TXIII · Driver-only0—DEOL BROS EXPRESS INC 784547ZP11251/CA
02/02/2026CAI · Full1OOSDEOL BROS EXPRESS INC 784547ZP11251/CA
12/17/2025CAII · Walk-around2—DEOL BROS EXPRESS INC 784547ZP11251/CA
10/13/2025CAI · Full3—DEOL BROS EXPRESS INC 784547ZP11251/CA
09/26/2025UTIII · Driver-only0—DEOL BROS EXPRESS INC 784547ZP11251/CA
04/14/2025MNIII · Driver-only1—DEOL BROS EXPRESS INC 784547ZP11251/CA
03/01/2024WAII · Walk-around2—SKYLINE EXPRESS 1 LLC 2082700RP06366/WA
09/08/2023CAI · Full2OOSSKYLINE EXPRESS 1 LLC 2082700RP06366/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DEOL BROS EXPRESS INC78454704/14/202503/06/20266CA
SKYLINE EXPRESS 1 LLC208270009/08/202303/01/20242WA
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.
ZP11251CA—DEOL BROS EXPRESS INC04/14/2025 → 03/06/20266
RP06366WA—SKYLINE EXPRESS 1 LLC09/08/2023 → 03/01/20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/21/2026