Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X9PD841434 · Truck-Tractor · TRUCK
Carriers run under2
19 mo
Inspections5
all-time
OOS inspections0
of 5
First seenOct 5, 2023
NV
Last seenMay 10, 2025
NM
Inspected under 2 different carriers in 19 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
1XPBD49X9PD841434
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 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 · Oct 5, 2023 – May 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 10, 2025NMIII · Driver-only0—CAL STATE CARRIERS INC 3298173YP74328/CA
Dec 26, 2024CAII · Walk-around0—CAL STATE CARRIERS INC 3298173YP74328/CA
Aug 15, 2024TXII · Walk-around0—HARBHAJAN SINGH 2484117YP74328/CA
Jul 30, 2024COIII · Driver-only1—HARBHAJAN SINGH 2484117YP74328/CA
Oct 5, 2023NVIII · Driver-only1—HARBHAJAN SINGH 2484117YP74328/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CAL STATE CARRIERS INC3298173Dec 26, 2024May 10, 20252CA
HARBHAJAN SINGH2484117Oct 5, 2023Aug 15, 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.
YP74328CA—CAL STATE CARRIERS INCDec 26, 2024 → May 10, 20252
YP74328CA—HARBHAJAN SINGHOct 5, 2023 → Aug 15, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026