Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X5PD839003 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections9
all-time
OOS inspections2
of 9
First seenJun 30, 2023
NE
Last seenMar 25, 2026
CA
Inspected under 2 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
1XPBD49X5PD839003
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 19, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BD49X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1993 or 2023

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
839003

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
PETERBILT

Prefix basis · 26,166 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 26,166 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
579

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 30, 2023 – Mar 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 25, 2026CAII · Walk-around3OOSKOTECHA BROTHERS LLC 43747829G13692/CA
Mar 2, 2026CAI · Full0KOTECHA BROTHERS LLC 43747829G13692/CA
Feb 24, 2026CAII · Walk-around1KOTECHA BROTHERS LLC 43747829G13692/CA
May 19, 2025NMIII · Driver-only1SOORMA TRUCKING LLC 3030671AL25213/AZ
Dec 11, 2024COIII · Driver-only0SOORMA TRUCKING LLC 3030671AL25213/AZ
Aug 4, 2024OKI · Full3OOSSOORMA TRUCKING LLC 3030671AL25213/AZ
May 23, 2024COI · Full3SOORMA TRUCKING LLC 3030671AL25213/AZ
Dec 21, 2023UTI · Full1SOORMA TRUCKING LLC 3030671AL25213/AZ
Jun 30, 2023NEIII · Driver-only0SOORMA TRUCKING LLC 3030671AL25213/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KOTECHA BROTHERS LLC4374782Feb 24, 2026Mar 25, 20263CA
SOORMA TRUCKING LLC3030671Jun 30, 2023May 19, 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.
9G13692CAKOTECHA BROTHERS LLCFeb 24, 2026Mar 25, 20263
AL25213AZSOORMA TRUCKING LLCJun 30, 2023May 19, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026