Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X1PD850435 · Truck-Tractor · TRUCK
Carriers run under3
33 mo
Inspections6
all-time
OOS inspections2
of 6
First seenOct 6, 2023
LA
Last seenJul 21, 2026
MO
Inspected under 3 different carriers in 33 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
1XPBD49X1PD850435
Make
Peterbilt
Model
579
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 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 · Oct 6, 2023 – Jul 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 21, 2026MOII · Walk-around12—MIERS EXCAVATING AND DEMOLITION INC 8829913929558/IN
May 1, 2026KYII · Walk-around1—MIERS EXCAVATING AND DEMOLITION INC 8829913929558/IN
Aug 13, 2024INIII · Driver-only5OOSVSG TRANSPORT INC 4127499AY261Y/NY
Feb 8, 2024CAII · Walk-around3OOSSGNDJ SIMRAN GROUP INC 3005469YP73499/CA
Dec 23, 2023CAII · Walk-around2—SGNDJ SIMRAN GROUP INC 3005469YP73499/CA
Oct 6, 2023LAIII · Driver-only1—SGNDJ SIMRAN GROUP INC 3005469YP73499/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MIERS EXCAVATING AND DEMOLITION INC882991May 1, 2026Jul 21, 20262IN
VSG TRANSPORT INC4127499Aug 13, 2024Aug 13, 20241IN
SGNDJ SIMRAN GROUP INC3005469Oct 6, 2023Feb 8, 20243CA
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.
3929558IN1MIERS EXCAVATING AND DEMOLITION INCMay 1, 2026 → Jul 21, 20262
AY261YNY—VSG TRANSPORT INCAug 13, 2024 → Aug 13, 20241
YP73499CA—SGNDJ SIMRAN GROUP INCOct 6, 2023 → Feb 8, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026