Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X8MD735651 · Truck-Tractor · TRUCK
Carriers run under3
27 mo
Inspections5
all-time
OOS inspections0
of 5
First seenApr 24, 2024
IL
Last seenJul 7, 2026
NE
Inspected under 3 different carriers in 27 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
1XPBD49X8MD735651
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 9, 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 · Apr 24, 2024 – Jul 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 7, 2026NEIII · Driver-only1—WISSMANN ENTERPRISES INC 562585435358/NE
Nov 16, 2025KSII · Walk-around0—J UNRUH TRUCKING INC 589772AER642/KS
Mar 18, 2025KSII · Walk-around0—D & M CARRIERS LLC 9633003LH940/OK
Mar 10, 2025MSIII · Driver-only0—D & M CARRIERS LLC 9633003LH940/OK
Apr 24, 2024ILII · Walk-around0—D & M CARRIERS LLC 9633003HW009/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WISSMANN ENTERPRISES INC562585Jul 7, 2026Jul 7, 20261NE
J UNRUH TRUCKING INC589772Nov 16, 2025Nov 16, 20251KS
D & M CARRIERS LLC963300Apr 24, 2024Mar 18, 20253OK
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.
435358NE1WISSMANN ENTERPRISES INCJul 7, 2026 → Jul 7, 20261
AER642KS—J UNRUH TRUCKING INCNov 16, 2025 → Nov 16, 20251
3LH940OK1D & M CARRIERS LLCMar 10, 2025 → Mar 18, 20252
3HW009OK1D & M CARRIERS LLCApr 24, 2024 → Apr 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 9, 2026