Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X3JD473341 · Truck-Tractor · TRUCK
Carriers run under2
17 mo
Inspections5
all-time
OOS inspections3
of 5
First seenDec 1, 2023
CA
Last seenMay 14, 2025
AZ
Inspected under 2 different carriers in 17 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
1XPBD49X3JD473341
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 28, 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 · Dec 1, 2023 – May 14, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 14, 2025AZII · Walk-around7OOSCDC EXPRESS LLC 4189634AL28111/AZ
Dec 10, 2024COIII · Driver-only0—CDC EXPRESS LLC 4189634AL28111/AZ
Sep 18, 2024LAIII · Driver-only0—CDC EXPRESS LLC 4189634AL28111/AZ
Sep 5, 2024AZII · Walk-around11OOSCDC EXPRESS LLC 4189634AL28111/AZ
Dec 1, 2023CAI · Full5OOSFRONTIER EXPRESS INC 3503506AL27850/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CDC EXPRESS LLC4189634Sep 5, 2024May 14, 20254AZ
FRONTIER EXPRESS INC3503506Dec 1, 2023Dec 1, 20231MN
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.
AL28111AZ—CDC EXPRESS LLCSep 5, 2024 → May 14, 20254
AL27850AZ—FRONTIER EXPRESS INCDec 1, 2023 → Dec 1, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026