Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBDP9X4LD630038 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJul 9, 2023
UT
Last seenApr 21, 2026
CO
Inspected under 2 different carriers in 33 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
1XPBDP9X4LD630038
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 12, 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 · Jul 9, 2023 – Apr 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 21, 2026COII · Walk-around7—SMART TRANSPORT LLC 2604842DIM494/CO
Mar 7, 2026TXII · Walk-around4—SMART TRANSPORT LLC 2604842DIM494/CO
Mar 3, 2026COIII · Driver-only3—SMART TRANSPORT LLC 2604842DIM494/CO
Jul 9, 2023UTIII · Driver-only1—EW WYLIE LLC 82762222939P/ID
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SMART TRANSPORT LLC2604842Mar 3, 2026Apr 21, 20263CO
EW WYLIE LLC827622Jul 9, 2023Jul 9, 20231ND
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.
DIM494CO—SMART TRANSPORT LLCMar 3, 2026 → Apr 21, 20263
22939PID—EW WYLIE LLCJul 9, 2023 → Jul 9, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026