Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X6MD719482 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 19, 2023
AZ
Last seenApr 29, 2026
CA
Inspected under 2 different carriers in 33 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
1XPBDP9X6MD719482
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 19, 2023 – Apr 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 29, 2026CAI · Full4OOSMDSS TRUCKING LLC 3539683ZP61880/CA
Apr 7, 2026CAII · Walk-around1—MDSS TRUCKING LLC 3539683ZP61880/CA
Jun 3, 2025TNII · Walk-around0—ROWE TRANSFER INC 1079919F4407HY/TN
Jul 19, 2023AZII · Walk-around1—ROWE TRANSFER INC 1079919F4407HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MDSS TRUCKING LLC3539683Apr 7, 2026Apr 29, 20262CA
ROWE TRANSFER INC1079919Jul 19, 2023Jun 3, 20252TN
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.
ZP61880CA—MDSS TRUCKING LLCApr 7, 2026 → Apr 29, 20262
F4407HYTN—ROWE TRANSFER INCJul 19, 2023 → Jun 3, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026