Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X8MD731682 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections6
all-time
OOS inspections1
of 6
First seen07/14/2023
WV
Last seen05/26/2026
NE
Inspected under 2 different carriers in 34 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
1XPBDP9X8MD731682
Make
Peterbilt
Model
579
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/25/2026
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 · 07/14/2023 – 05/26/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
05/26/2026NEIII · Driver-only0KYLE EXPRESS LLC 347913988811A/NV
01/27/2026UTIII · Driver-only0KYLE EXPRESS LLC 347913988811A/NV
01/21/2026LAIII · Driver-only0KYLE EXPRESS LLC 34791398881A/NV
02/10/2024MDII · Walk-around0COWAN SYSTEMS LLC 5488803096371/IN
08/07/2023GAII · Walk-around2OOSCOWAN SYSTEMS LLC 5488803096371/IN
07/14/2023WVIII · Driver-only2COWAN SYSTEMS LLC 5488803096371/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KYLE EXPRESS LLC347913901/21/202605/26/20263NV
COWAN SYSTEMS LLC54888007/14/202302/10/20243MD
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.
88811ANVKYLE EXPRESS LLC01/27/202605/26/20262
8881ANVKYLE EXPRESS LLC01/21/202601/21/20261
3096371INCOWAN SYSTEMS LLC07/14/202302/10/20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/25/2026