Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X9MD753155 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections5
all-time
OOS inspections0
of 5
First seenApr 25, 2024
IL
Last seenMay 12, 2026
AZ
Inspected under 2 different carriers in 25 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
1XPBD49X9MD753155
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
Jun 29, 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 · Apr 25, 2024 – May 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 12, 2026AZI · Full4—VS CARRIER INC 2988309ZP56407/CA
Jul 8, 2025PAII · Walk-around2—VS CARRIER INC 2988309ZP56407/CA
Jun 24, 2025ARIII · Driver-only1—VS CARRIER INC 2988309ZP56407/CA
Jun 17, 2025INIII · Driver-only2—VS CARRIER INC 2988309ZP56407/CA
Apr 25, 2024ILIII · Driver-only0—NEW TAYLOR TRANSPORTATION LLC 311077T4180HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VS CARRIER INC2988309Jun 17, 2025May 12, 20264CA
NEW TAYLOR TRANSPORTATION LLC311077Apr 25, 2024Apr 25, 20241NC
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.
ZP56407CA—VS CARRIER INCJun 17, 2025 → May 12, 20264
T4180HYTN—NEW TAYLOR TRANSPORTATION LLCApr 25, 2024 → Apr 25, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026
2021 Peterbilt 579 — VIN 1XPBD49X9MD753155