Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X6PD874469 · Truck-Tractor · TRUCK
Carriers run under2
24 mo
Inspections4
all-time
OOS inspections3
of 4
First seen08/03/2023
TN
Last seen08/22/2025
AR
Inspected under 2 different carriers in 24 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
1XPBD49X6PD874469
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
07/12/2026
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 · 08/03/2023 – 08/22/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
08/22/2025ARIII · Driver-only1YK EXPRESS LLC 2087173XE803S/FL
11/17/2023LAIII · Driver-only2OOSSTANFORD TRANSPORTATION INC 2779624YP78831/CA
10/24/2023ARIII · Driver-only1OOSSTANFORD TRANSPORTATION INC 2779624YP78831/CA
08/03/2023TNI · Full1OOSSTANFORD TRANSPORTATION INC 2779624YP78831/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
YK EXPRESS LLC208717308/22/202508/22/20251FL
STANFORD TRANSPORTATION INC277962408/03/202311/17/20233TN
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.
XE803SFLYK EXPRESS LLC08/22/202508/22/20251
YP78831CASTANFORD TRANSPORTATION INC08/03/202311/17/20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/12/2026