Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBDP9X1LD656404 · Truck-Tractor · TRUCK
Carriers run under2
17 mo
Inspections3
all-time
OOS inspections1
of 3
First seenSep 27, 2023
IL
Last seenFeb 28, 2025
TN
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
1XPBDP9X1LD656404
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 27, 2023 – Feb 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 28, 2025TNIII · Driver-only1—4D TRANSPORTATION INC 2433391K8222307/AR
Feb 8, 2024LAII · Walk-around4OOSWAYNE SMITH TRUCKING INC 173829K828049/AR
Sep 27, 2023ILII · Walk-around2—WAYNE SMITH TRUCKING INC 173829K817379/AR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
4D TRANSPORTATION INC2433391Feb 28, 2025Feb 28, 20251AR
WAYNE SMITH TRUCKING INC173829Sep 27, 2023Feb 8, 20242AR
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.
K8222307AR—4D TRANSPORTATION INCFeb 28, 2025 → Feb 28, 20251
K828049AR—WAYNE SMITH TRUCKING INCFeb 8, 2024 → Feb 8, 20241
K817379AR—WAYNE SMITH TRUCKING INCSep 27, 2023 → Sep 27, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026