Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBDP9X9JD490677 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections7
all-time
OOS inspections0
of 7
First seenAug 15, 2023
AZ
Last seenJul 30, 2026
CA
Inspected under 2 different carriers in 35 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
1XPBDP9X9JD490677
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 · Aug 15, 2023 – Jul 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 30, 2026CAII · Walk-around0—FRL TRANSPORT LLC 4422385ZP63597/CA
Jul 7, 2026USI · Full0—FRL TRANSPORT LLC 4422385ZP63597/CA
May 24, 2026USI · Full1—FRL TRANSPORT LLC 4422385ZP63597/CA
Jan 20, 2026CAI · Full0—FRL TRANSPORT LLC 4422385ZP63597/CA
Oct 10, 2023CAI · Full0—ADD EXPRESS INC 570357YP78638/CA
Oct 6, 2023CAIII · Driver-only1—ADD EXPRESS INC 570357YP78638/CA
Aug 15, 2023AZIII · Driver-only2—ADD EXPRESS INC 570357YP78638/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FRL TRANSPORT LLC4422385Jan 20, 2026Jul 30, 20264CA
ADD EXPRESS INC570357Aug 15, 2023Oct 10, 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.
ZP63597CA1FRL TRANSPORT LLCJan 20, 2026 → Jul 30, 20264
YP78638CA—ADD EXPRESS INCAug 15, 2023 → Oct 10, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026