Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X2MD758523 · Truck-Tractor · TRUCK
Carriers run under3
16 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJan 6, 2025
SD
Last seenMay 28, 2026
MO
Inspected under 3 different carriers in 16 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
1XPBDP9X2MD758523
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 6, 2025 – May 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 28, 2026MOIII · Driver-only0—OAKLEY TRUCKING INC 32593NJ661/OK
Oct 9, 2025SDII · Walk-around1OOSCOLDIRON SPECIALIZED DRIVEAWAY INC 603605WP54968/WI
Jan 6, 2025SDII · Walk-around1OOSEW WYLIE LLC 8276223955P/ND
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OAKLEY TRUCKING INC3259May 28, 2026May 28, 20261AR
COLDIRON SPECIALIZED DRIVEAWAY INC603605Oct 9, 2025Oct 9, 20251OK
EW WYLIE LLC827622Jan 6, 2025Jan 6, 20251ND
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.
3NJ661OK—OAKLEY TRUCKING INCMay 28, 2026 → May 28, 20261
WP54968WI—COLDIRON SPECIALIZED DRIVEAWAY INCOct 9, 2025 → Oct 9, 20251
3955PND—EW WYLIE LLCJan 6, 2025 → Jan 6, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026