Equipment unit · VIN-decoded · NHTSA vPIC

2025 Peterbilt 579

1XPBDK9X6SD727923 · Truck-Tractor · TRUCK
Carriers run under1
22 mo
Inspections14
all-time
OOS inspections0
of 14
First seenMay 16, 2024
NJ
Last seenMar 20, 2026
NJ
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDK9X6SD727923
Make
Peterbilt
Model
579
Model year
2025
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 16, 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
BDK9X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1995 or 2025

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

North American serial sequence
727923

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 · 310 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 310 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
2025

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 · May 16, 2024 – Mar 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 20, 2026NJII · Walk-around0SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
Jan 9, 2026NJII · Walk-around0SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
Dec 15, 2025NJI · Full0SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
Oct 6, 2025NJI · Full0SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
Sep 2, 2025NJII · Walk-around0SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
Jul 24, 2025NJII · Walk-around0SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
Feb 10, 2025NJI · Full0SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
Nov 1, 2024NYI · Full2SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
Oct 16, 2024NYII · Walk-around3SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
Sep 27, 2024NJII · Walk-around0SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
Jul 11, 2024NYII · Walk-around5SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
Jun 17, 2024CTI · Full0SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
May 22, 2024NJII · Walk-around0SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
May 16, 2024NJII · Walk-around1SAMUEL CORALUZZO CO INC 156123AZ258A/NJ
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SAMUEL CORALUZZO CO INC156123May 16, 2024Mar 20, 202614NJ
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.
AZ258ANJSAMUEL CORALUZZO CO INCMay 16, 2024Mar 20, 202614
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026