Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBDP9X3JD490691 · Truck-Tractor · TRUCK
Carriers run under2
16 mo
Inspections5
all-time
OOS inspections1
of 5
First seenOct 21, 2023
MO
Last seenFeb 5, 2025
CA
Inspected under 2 different carriers in 16 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
1XPBDP9X3JD490691
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 · Oct 21, 2023 – Feb 5, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 5, 2025CAII · Walk-around0—MARING TRANSPORT LLC 32940949H20597/CA
Aug 2, 2024CAV · Vehicle-only0—MARING TRANSPORT LLC 3294094YP78644/CA
Oct 25, 2023CAI · Full1OOSADD EXPRESS INC 570357YP78644/CA
Oct 25, 2023CAI · Full0—ADD EXPRESS INC 570357YP78644/CA
Oct 21, 2023MOII · Walk-around7—ADD EXPRESS INC 570357YP78644/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARING TRANSPORT LLC3294094Aug 2, 2024Feb 5, 20252CA
ADD EXPRESS INC570357Oct 21, 2023Oct 25, 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.
9H20597CA—MARING TRANSPORT LLCFeb 5, 2025 → Feb 5, 20251
YP78644CA—MARING TRANSPORT LLCAug 2, 2024 → Aug 2, 20241
YP78644CA—ADD EXPRESS INCOct 21, 2023 → Oct 25, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026