Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X3MD746770 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections7
all-time
OOS inspections3
of 7
First seenJul 12, 2023
IN
Last seenJan 29, 2026
IA
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
1XPBDP9X3MD746770
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 25, 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 12, 2023 – Jan 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 29, 2026IAII · Walk-around6OOSTRANS ALPES CARRIER LLC 4026663P 1319532/IL
Jan 5, 2026UTI · Full6—TRANS ALPES CARRIER LLC 4026663P1319532/IL
Dec 26, 2025NCII · Walk-around4OOSTRANS ALPES CARRIER LLC 4026663P1319532/IL
Dec 9, 2025TNIII · Driver-only0—TRANS ALPES CARRIER LLC 4026663P1319532/IL
Oct 23, 2025DEIII · Driver-only1—TRANS ALPES CARRIER LLC 4026663P1319532/IL
Oct 13, 2025WAII · Walk-around6—TRANS ALPES CARRIER LLC 4026663P1319532/IL
Jul 12, 2023INIII · Driver-only9OOSWOLVERINE HAULERS LLC 3149864RB90233/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRANS ALPES CARRIER LLC4026663Oct 13, 2025Jan 29, 20266IL
WOLVERINE HAULERS LLC3149864Jul 12, 2023Jul 12, 20231MI
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.
P 1319532IL—TRANS ALPES CARRIER LLCJan 29, 2026 → Jan 29, 20261
P1319532IL—TRANS ALPES CARRIER LLCOct 13, 2025 → Jan 5, 20265
RB90233MI1WOLVERINE HAULERS LLCJul 12, 2023 → Jul 12, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026