Equipment unit · VIN-decoded · NHTSA vPIC

2016 Peterbilt 579

1XPBDP9X4GD321711 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJul 5, 2023
SC
Last seenNov 13, 2025
AL
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
1XPBDP9X4GD321711
Make
Peterbilt
Model
579
Model year
2016
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 25, 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 5, 2023 – Nov 13, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 13, 2025ALII · Walk-around2—SEI ACQUISITION LLC 4843603824680/IN
Oct 28, 2025ALI · Full1—SEI ACQUISITION LLC 4843603824680/IN
Sep 25, 2024ALI · Full0—SEI ACQUISITION LLC 4843603504784/IN
May 5, 2024ALII · Walk-around0—SEI ACQUISITION LLC 4843603504784/IN
Jul 31, 2023ALII · Walk-around1—BENNETT MOTOR EXPRESS LLC 92693P1192758/IL
Jul 5, 2023SCIII · Driver-only0—BENNETT MOTOR EXPRESS LLC 92693P1192758/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SEI ACQUISITION LLC484360May 5, 2024Nov 13, 20254IL
BENNETT MOTOR EXPRESS LLC92693Jul 5, 2023Jul 31, 20232GA
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.
3824680IN—SEI ACQUISITION LLCOct 28, 2025 → Nov 13, 20252
3504784IN—SEI ACQUISITION LLCMay 5, 2024 → Sep 25, 20242
P1192758IL—BENNETT MOTOR EXPRESS LLCJul 5, 2023 → Jul 31, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026