Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBDP9X4LD637197 · Truck-Tractor · TRUCK
Carriers run under1
33 mo
Inspections3
all-time
OOS inspections1
of 3
First seenSep 20, 2023
CO
Last seenJun 23, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDP9X4LD637197
Make
Peterbilt
Model
579
Model year
2020
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 31, 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 · Sep 20, 2023 – Jun 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 23, 2026TXII · Walk-around1—WILLIAM HARDING 2408069R754599/TX
Feb 22, 2024OKIII · Driver-only2OOSWILLIAM HARDING 2408069R631993/TX
Sep 20, 2023COII · Walk-around2—WILLIAM HARDING 2408069R631993/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WILLIAM HARDING2408069Sep 20, 2023Jun 23, 20263TX
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.
R754599TX1WILLIAM HARDINGJun 23, 2026 → Jun 23, 20261
R631993TX—WILLIAM HARDINGSep 20, 2023 → Feb 22, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026