Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X4MD748932 · Truck-Tractor · TRUCK
Carriers run under2
11 mo
Inspections3
all-time
OOS inspections1
of 3
First seenAug 21, 2024
IA
Last seenJul 24, 2025
MN
Inspected under 2 different carriers in 11 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
1XPBD49X4MD748932
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 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 · Aug 21, 2024 – Jul 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 24, 2025MNIII · Driver-only5OOSMILLER FAMILY TRUCKING LLC 2263048FY9779/IA
Aug 27, 2024WVIII · Driver-only2—PAY IT FORWARD TRUCKING LLC 1734621APPLIED/IA
Aug 21, 2024IAII · Walk-around4—PAY IT FORWARD TRUCKING LLC 1734621TEMP/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MILLER FAMILY TRUCKING LLC2263048Jul 24, 2025Jul 24, 20251IA
PAY IT FORWARD TRUCKING LLC1734621Aug 21, 2024Aug 27, 20242IA
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.
FY9779IA—MILLER FAMILY TRUCKING LLCJul 24, 2025 → Jul 24, 20251
APPLIEDIA—PAY IT FORWARD TRUCKING LLCAug 27, 2024 → Aug 27, 20241
TEMPIA—PAY IT FORWARD TRUCKING LLCAug 21, 2024 → Aug 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 30, 2026