Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBD49X3ND764623 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections5
all-time
OOS inspections3
of 5
First seen05/26/2024
PA
Last seen06/01/2026
NM
Inspected under 2 different carriers in 25 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
1XPBD49X3ND764623
Make
Peterbilt
Model
579
Model year
2022
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/28/2026
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 · 05/26/2024 – 06/01/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
06/01/2026NMI · Full1—IM SPECIALIZED TRANSPORT LLC 4384443R794315/TX
03/25/2026TXIII · Driver-only0—IM SPECIALIZED TRANSPORT LLC 4384443R794315/TX
09/02/2025INII · Walk-around1OOSIM SPECIALIZED TRANSPORT LLC 4384443R794315/TX
07/20/2025MOII · Walk-around6OOSIM SPECIALIZED TRANSPORT LLC 4384443R794315/TX
05/26/2024PAIII · Driver-only3OOSMARTEN TRANSPORT LTD 744322914129/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
IM SPECIALIZED TRANSPORT LLC438444307/20/202506/01/20264TX
MARTEN TRANSPORT LTD7443205/26/202405/26/20241WI
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.
R794315TX—IM SPECIALIZED TRANSPORT LLC07/20/2025 → 06/01/20264
2914129IN—MARTEN TRANSPORT LTD05/26/2024 → 05/26/20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/28/2026