Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X7MD730250 · Truck-Tractor · TRUCK
Carriers run under3
29 mo
Inspections3
all-time
OOS inspections1
of 3
First seenNov 29, 2023
CO
Last seenApr 14, 2026
TN
Inspected under 3 different carriers in 29 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
1XPBDP9X7MD730250
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 · Nov 29, 2023 – Apr 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 14, 2026TNII · Walk-around1OOSUNIMARK LOWBOY TRANSPORTATION LLC 1604546TEMP/WI
Feb 19, 2024ARIII · Driver-only1—AYNUR EXPRESS LLC 4174267PWZ5110/OH
Nov 29, 2023COIII · Driver-only0—IMOVE TRANS LLC 3028344PWQ0202/OH
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNIMARK LOWBOY TRANSPORTATION LLC1604546Apr 14, 2026Apr 14, 20261WI
AYNUR EXPRESS LLC4174267Feb 19, 2024Feb 19, 20241OH
IMOVE TRANS LLC3028344Nov 29, 2023Nov 29, 20231OH
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.
TEMPWI—UNIMARK LOWBOY TRANSPORTATION LLCApr 14, 2026 → Apr 14, 20261
PWZ5110OH—AYNUR EXPRESS LLCFeb 19, 2024 → Feb 19, 20241
PWQ0202OH1IMOVE TRANS LLCNov 29, 2023 → Nov 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026