Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X0MD749576 · Truck-Tractor · TRUCK
Carriers run under1
19 mo
Inspections7
all-time
OOS inspections5
of 7
First seenAug 2, 2023
CA
Last seenMar 19, 2025
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDP9X0MD749576
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 21, 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 2, 2023 – Mar 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 19, 2025CAV · Vehicle-only1—MATH FIX LLC 3639820YP70620/CA
Nov 5, 2024CAV · Vehicle-only4OOSMATH FIX LLC 3639820YP70620/CA
Sep 9, 2024CAII · Walk-around3OOSMATH FIX LLC 3639820YP70620/CA
Aug 21, 2024AZIII · Driver-only0—MATH FIX LLC 3639820YP70620/CA
Dec 6, 2023AZII · Walk-around9OOSMATH FIX LLC 3639820YP70620/CA
Nov 24, 2023CAIII · Driver-only2OOSMATH FIX LLC 3639820YP70620/CA
Aug 2, 2023CAI · Full2OOSMATH FIX LLC 3639820YP70620/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MATH FIX LLC3639820Aug 2, 2023Mar 19, 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.
YP70620CA—MATH FIX LLCAug 2, 2023 → Mar 19, 20257
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026