Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X8MD756466 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJul 20, 2023
IL
Last seenNov 20, 2025
MI
Inspected under 2 different carriers in 28 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
1XPBD49X8MD756466
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 29, 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 20, 2023 – Nov 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 20, 2025MIIII · Driver-only2—ULTRA TRUCKING INC 2292374P1311897/IL
Jul 28, 2025MIIII · Driver-only1—ULTRA TRUCKING INC 2292374P1311897/IL
Jan 3, 2025TNII · Walk-around3—DISTRIBUTION SOLUTIONS INC 777764K816213/AR
Oct 2, 2024OKIII · Driver-only0—DISTRIBUTION SOLUTIONS INC 777764K816213/AR
Jul 20, 2023ILIII · Driver-only0—DISTRIBUTION SOLUTIONS INC 777764K816213/AR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ULTRA TRUCKING INC2292374Jul 28, 2025Nov 20, 20252IL
DISTRIBUTION SOLUTIONS INC777764Jul 20, 2023Jan 3, 20253AR
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.
P1311897IL—ULTRA TRUCKING INCJul 28, 2025 → Nov 20, 20252
K816213AR—DISTRIBUTION SOLUTIONS INCJul 20, 2023 → Jan 3, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026