Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X6MD755768 · Truck-Tractor · TRUCK
Carriers run under2
8 mo
Inspections4
all-time
OOS inspections1
of 4
First seen05/20/2025
UT
Last seen01/14/2026
PA
Inspected under 2 different carriers in 8 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
1XPBDP9X6MD755768
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
07/12/2026
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 · 05/20/2025 – 01/14/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
01/14/2026PAIII · Driver-only2OOSZAN MARK LOGISTICS LLC 4208635SLM978982/IL
08/31/2025NCII · Walk-around3BOB TRUCKING LLC 3832325TEMP/IL
06/24/2025SDIII · Driver-only0BOB TRUCKING LLC 3832325TEMP/IL
05/20/2025UTIII · Driver-only1BOB TRUCKING LLC 3832325978982/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZAN MARK LOGISTICS LLC420863501/14/202601/14/20261OH
BOB TRUCKING LLC383232505/20/202508/31/20253OH
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.
SLM978982ILZAN MARK LOGISTICS LLC01/14/202601/14/20261
TEMPILBOB TRUCKING LLC06/24/202508/31/20252
978982ILBOB TRUCKING LLC05/20/202505/20/20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/12/2026