Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X6MD744316 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections7
all-time
OOS inspections1
of 7
First seenJul 17, 2023
NE
Last seenJun 16, 2026
KS
Inspected under 2 different carriers in 35 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
1XPBD49X6MD744316
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 · Jul 17, 2023 – Jun 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 16, 2026KSII · Walk-around0—HINZ TRUCKING INC 263874425529/NE
Sep 30, 2025WYII · Walk-around1—HINZ TRUCKING INC 263874425529/NE
May 16, 2025TNIII · Driver-only1—HINZ TRUCKING INC 263874425529/NE
Aug 7, 2024NEII · Walk-around1OOSHINZ TRUCKING INC 263874TEMP/NE
Mar 17, 2024ARIII · Driver-only1—K D TRANSPORT LLC 669446M1281HY/TN
Aug 1, 2023INII · Walk-around0—K D TRANSPORT LLC 669446M1281HY/TN
Jul 17, 2023NEIII · Driver-only0—K D TRANSPORT LLC 669446M1281HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HINZ TRUCKING INC263874Aug 7, 2024Jun 16, 20264NE
K D TRANSPORT LLC669446Jul 17, 2023Mar 17, 20243TN
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.
425529NE1HINZ TRUCKING INCMay 16, 2025 → Jun 16, 20263
TEMPNE—HINZ TRUCKING INCAug 7, 2024 → Aug 7, 20241
M1281HYTN—K D TRANSPORT LLCJul 17, 2023 → Mar 17, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026