Equipment unit · VIN-decoded · NHTSA vPIC

2016 Peterbilt 579

1XPBD49X2GD322550 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections8
all-time
OOS inspections1
of 8
First seenJul 5, 2023
CA
Last seenJan 8, 2026
AZ
Inspected under 2 different carriers in 30 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
1XPBD49X2GD322550
Make
Peterbilt
Model
579
Model year
2016
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 30, 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 5, 2023 – Jan 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 8, 2026AZI · Full3—RIGOBERTO ALVAREZ AGUILAR 1834259ZP58576/CA
Jun 18, 2025CAII · Walk-around0—MICHAEL L MELTON 1995903XP58576/CA
May 28, 2025CAIII · Driver-only0—MICHAEL L MELTON 1995903XP58576/CA
Feb 24, 2025ORI · Full1—MICHAEL L MELTON 1995903XP58576/CA
Nov 10, 2024CAII · Walk-around0—MICHAEL L MELTON 1995903XP58576/CA
Aug 23, 2024CAI · Full0—MICHAEL L MELTON 1995903XP58576/CA
May 23, 2024CAI · Full0—MICHAEL L MELTON 1995903XP58576/CA
Jul 5, 2023CAI · Full2OOSMICHAEL L MELTON 1995903XP58576/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RIGOBERTO ALVAREZ AGUILAR1834259Jan 8, 2026Jan 8, 20261CA
MICHAEL L MELTON1995903Jul 5, 2023Jun 18, 20257CA
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.
ZP58576CA—RIGOBERTO ALVAREZ AGUILARJan 8, 2026 → Jan 8, 20261
XP58576CA1MICHAEL L MELTONJul 5, 2023 → Jun 18, 20257
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026