Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X1MD744421 · Truck-Tractor · TRUCK
Carriers run under2
36 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJul 18, 2023
AR
Last seenJul 9, 2026
LA
Inspected under 2 different carriers in 36 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
1XPBDP9X1MD744421
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
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 18, 2023 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026LAI · Full5OOSS & C TRANSPORTATION LLC 2356507P297558/LA
Jul 23, 2024ILI · Full0—MID-CON CARRIERS CORP 3335913KV669/OK
Jan 12, 2024ILIII · Driver-only0—MID-CON CARRIERS CORP 3335913EY413/OK
Dec 20, 2023ARIII · Driver-only0—MID-CON CARRIERS CORP 3335913EY413/OK
Jul 18, 2023ARII · Walk-around2—MID-CON CARRIERS CORP 3335913EY413/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S & C TRANSPORTATION LLC2356507Jul 9, 2026Jul 9, 20261LA
MID-CON CARRIERS CORP333591Jul 18, 2023Jul 23, 20244OK
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.
P297558LA1S & C TRANSPORTATION LLCJul 9, 2026 → Jul 9, 20261
3KV669OK—MID-CON CARRIERS CORPJul 23, 2024 → Jul 23, 20241
3EY413OK—MID-CON CARRIERS CORPJul 18, 2023 → Jan 12, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026