Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X1MD742036 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections10
all-time
OOS inspections1
of 10
First seenAug 17, 2023
CA
Last seenMay 21, 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
1XPBD49X1MD742036
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 19, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
View sourced platform decode
02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 17, 2023 – May 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 21, 2026CAI · Full0—ALVARENGA FREIGHT INC 32239969G27888/CA
Aug 27, 2025CAI · Full0—ALVARENGA TRANSPORT LLC 16467629G27888/CA
May 27, 2025CAII · Walk-around0—ALVARENGA TRANSPORT LLC 16467629G27888/CA
Mar 12, 2025CAIII · Driver-only1—ALVARENGA TRANSPORT LLC 16467629G27888/CA
Dec 3, 2024CAI · Full0—ALVARENGA TRANSPORT LLC 16467629G27888/CA
Nov 25, 2024CAI · Full2—ALVARENGA TRANSPORT LLC 16467629G27888/CA
Jul 12, 2024CAI · Full1—ALVARENGA TRANSPORT LLC 16467629G27888/CA
Apr 12, 2024CAI · Full2—ALVARENGA TRANSPORT LLC 16467629G27888/CA
Jan 30, 2024CAII · Walk-around0—ALVARENGA TRANSPORT LLC 16467629G27888/CA
Aug 17, 2023CAI · Full1OOSALVARENGA TRANSPORT LLC 16467629G27888/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALVARENGA FREIGHT INC3223996May 21, 2026May 21, 20261CA
ALVARENGA TRANSPORT LLC1646762Aug 17, 2023Aug 27, 20259CA
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.
9G27888CA—ALVARENGA FREIGHT INCMay 21, 2026 → May 21, 20261
9G27888CA—ALVARENGA TRANSPORT LLCAug 17, 2023 → Aug 27, 20259
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026