Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49XXJD449246 · Truck-Tractor · TRUCK
Carriers run under2
10 mo
Inspections5
all-time
OOS inspections2
of 5
First seenFeb 4, 2025
CO
Last seenDec 7, 2025
AR
Inspected under 2 different carriers in 10 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
1XPBD49XXJD449246
Make
Peterbilt
Model
579
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 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 · Feb 4, 2025 – Dec 7, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 7, 2025ARIII · Driver-only5OOSWC TRANSPORT INC 1986701YP44948/CA
Oct 20, 2025NCIII · Driver-only0SO CAL EXPRESS INC 2187581YP44948/CA
Aug 6, 2025MTIII · Driver-only2SO CAL EXPRESS INC 2187581YP44948/CA
Feb 18, 2025COI · Full2SO CAL EXPRESS INC 2187581YP44948/CA
Feb 4, 2025COIII · Driver-only2OOSSO CAL EXPRESS INC 2187581YP44948/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WC TRANSPORT INC1986701Dec 7, 2025Dec 7, 20251CA
SO CAL EXPRESS INC2187581Feb 4, 2025Oct 20, 20254CA
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.
YP44948CAWC TRANSPORT INCDec 7, 2025Dec 7, 20251
YP44948CASO CAL EXPRESS INCFeb 4, 2025Oct 20, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026