Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X4MD771899 · Truck-Tractor · TRUCK
Carriers run under1
27 mo
Inspections8
all-time
OOS inspections0
of 8
First seenJun 12, 2023
IN
Last seenSep 16, 2025
NE
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X4MD771899
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 · Jun 12, 2023 – Sep 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 16, 2025NEIII · Driver-only0HACKBART BROTHERS INC 1205708402069/NE
Nov 22, 2024SDIII · Driver-only0HACKBART BROTHERS INC 1205708402069/NE
Oct 30, 2024MOIII · Driver-only0HACKBART BROTHERS INC 1205708402069/NE
Jul 9, 2024NEIII · Driver-only0HACKBART BROTHERS INC 1205708402069/NE
Jun 11, 2024MSII · Walk-around0HACKBART BROTHERS INC 1205708402069/NE
Jun 5, 2024KSIII · Driver-only0HACKBART BROTHERS INC 1205708402069/NE
Apr 16, 2024MSII · Walk-around0HACKBART BROTHERS INC 1205708402069/NE
Jun 12, 2023INI · Full2HACKBART BROTHERS INC 1205708402069/NE
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HACKBART BROTHERS INC1205708Jun 12, 2023Sep 16, 20258NE
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.
402069NEHACKBART BROTHERS INCJun 12, 2023Sep 16, 20258
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026