Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X9PD886486 · Truck-Tractor · TRUCK
Carriers run under1
34 mo
Inspections10
all-time
OOS inspections0
of 10
First seenSep 4, 2023
UT
Last seenJul 12, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDP9X9PD886486
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 21, 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
BDP9X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
886486

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 · 21,366 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 21,366 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 · Sep 4, 2023 – Jul 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 12, 2026CAIII · Driver-only0THE SQUADRON TRUCKING LLC 40084093411707/IN
Jul 9, 2026CAIII · Driver-only0THE SQUADRON TRUCKING LLC 40084093411707/IN
Jan 22, 2026CAI · Full0THE SQUADRON TRUCKING LLC 40084093411707/IN
Dec 20, 2025CAIII · Driver-only0THE SQUADRON TRUCKING LLC 40084093411707/IN
Nov 20, 2025CAII · Walk-around0THE SQUADRON TRUCKING LLC 40084093411707/IN
Jul 15, 2025CAI · Full3THE SQUADRON TRUCKING LLC 40084093411707/IN
Feb 29, 2024CAI · Full1THE SQUADRON TRUCKING LLC 40084093411707/IN
Oct 4, 2023CAI · Full0THE SQUADRON TRUCKING LLC 40084093411707/IN
Oct 2, 2023CAI · Full0THE SQUADRON TRUCKING LLC 40084093411707/IN
Sep 4, 2023UTIII · Driver-only0THE SQUADRON TRUCKING LLC 40084093411707/IN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THE SQUADRON TRUCKING LLC4008409Sep 4, 2023Jul 12, 202610CA
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.
3411707IN1THE SQUADRON TRUCKING LLCSep 4, 2023Jul 12, 202610
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026