Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X3MD753847 · Truck-Tractor · TRUCK
Carriers run under2
18 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJun 10, 2024
TN
Last seenDec 3, 2025
TN
Inspected under 2 different carriers in 18 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
1XPBDP9X3MD753847
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 31, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
View sourced platform decode
02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 10, 2024 – Dec 3, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 3, 2025TNI · Full1—OAKLEY TRUCKING INC 32593LT730/OK
Aug 18, 2025SCII · Walk-around0—OAKLEY TRUCKING INC 32593LT730/OK
Jun 10, 2024TNII · Walk-around1OOSM & W TRANSPORTATION CO INC 263403K4300HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OAKLEY TRUCKING INC3259Aug 18, 2025Dec 3, 20252AR
M & W TRANSPORTATION CO INC263403Jun 10, 2024Jun 10, 20241TN
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.
3LT730OK—OAKLEY TRUCKING INCAug 18, 2025 → Dec 3, 20252
K4300HYTN—M & W TRANSPORTATION CO INCJun 10, 2024 → Jun 10, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026