Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBDP9X6JD490913 · Truck-Tractor · TRUCK
Carriers run under1
25 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJul 31, 2023
CO
Last seenAug 5, 2025
CO
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDP9X6JD490913
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 25, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
View sourced platform decode
02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 31, 2023 – Aug 5, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 5, 2025COIII · Driver-only0—THOMPSON WELDING LLC 2081814AYYM34/CO
Jan 13, 2025COII · Walk-around3OOSTHOMPSON WELDING LLC 2081814AYYM34/CO
Dec 16, 2024COIII · Driver-only0—THOMPSON WELDING LLC 2081814AYYM34/CO
Jun 27, 2024COIII · Driver-only0—THOMPSON WELDING LLC 2081814DFT563/CO
Sep 21, 2023COIII · Driver-only0—THOMPSON WELDING LLC 2081814DFT563/CO
Jul 31, 2023COI · Full2—THOMPSON WELDING LLC 2081814DFT563/CO
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THOMPSON WELDING LLC2081814Jul 31, 2023Aug 5, 20256CO
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.
AYYM34CO—THOMPSON WELDING LLCDec 16, 2024 → Aug 5, 20253
DFT563CO—THOMPSON WELDING LLCJul 31, 2023 → Jun 27, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026