Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X5PD838997 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections10
all-time
OOS inspections4
of 10
First seenNov 30, 2023
IL
Last seenMay 11, 2026
CA
Inspected under 2 different carriers in 30 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
1XPBD49X5PD838997
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 18, 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 · Nov 30, 2023 – May 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 11, 2026CAIII · Driver-only1—NPC TRANSPORT INC 2560944ZP01431/CA
Apr 4, 2026AZI · Full7OOSNPC TRANSPORT INC 2560944ZP01431/CA
Nov 19, 2025AZI · Full0—NPC TRANSPORT INC 2560944ZP01431/CA
Nov 10, 2025AZI · Full4OOSNPC TRANSPORT INC 2560944ZP01431/CA
May 5, 2025NMIII · Driver-only1—SOORMA TRUCKING LLC 3030671AL22145/AZ
Apr 25, 2025COIII · Driver-only1—SOORMA TRUCKING LLC 3030671AL22145/AZ
Jun 18, 2024NMIII · Driver-only1—SOORMA TRUCKING LLC 3030671AL22145/AZ
Jan 25, 2024MOI · Full4OOSSOORMA TRUCKING LLC 3030671AL22145/AZ
Dec 19, 2023OKI · Full2—SOORMA TRUCKING LLC 3030671AL22145/AZ
Nov 30, 2023ILII · Walk-around1OOSSOORMA TRUCKING LLC 3030671AL22145/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NPC TRANSPORT INC2560944Nov 10, 2025May 11, 20264CA
SOORMA TRUCKING LLC3030671Nov 30, 2023May 5, 20256AZ
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.
ZP01431CA—NPC TRANSPORT INCNov 10, 2025 → May 11, 20264
AL22145AZ—SOORMA TRUCKING LLCNov 30, 2023 → May 5, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026