Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X4JD445693 · Truck-Tractor · TRUCK
Carriers run under2
26 mo
Inspections9
all-time
OOS inspections3
of 9
First seen06/12/2023
AZ
Last seen08/15/2025
CA
Inspected under 2 different carriers in 26 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
1XPBD49X4JD445693
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
06/19/2026
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 · 06/12/2023 – 08/15/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
08/15/2025CAI · Full1—INLOG INC 2894636ZP21132/CA
02/19/2025CAI · Full1—INLOG INC 2894636ZP21132/CA
12/24/2024CAI · Full1OOSINLOG INC 2894636ZP21132/CA
12/05/2024CAI · Full5OOSINLOG INC 2894636ZP21132/CA
11/26/2024CAII · Walk-around0—INLOG INC 2894636ZP21132/CA
08/09/2024UTIII · Driver-only4—INLOG INC 2894636ZP21132/CA
08/12/2023NMIII · Driver-only1—STPW INC 2956368YP83417/CA
08/08/2023AZIII · Driver-only2—STPW INC 2956368YP83417/CA
06/12/2023AZII · Walk-around7OOSSTPW INC 2956368YP83417/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
INLOG INC289463608/09/202408/15/20256CA
STPW INC295636806/12/202308/12/20233CA
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.
ZP21132CA—INLOG INC08/09/2024 → 08/15/20256
YP83417CA—STPW INC06/12/2023 → 08/12/20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/19/2026