Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 579

1XPBDP9XXFD295839 · Truck-Tractor · TRUCK
Carriers run under1
37 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJul 22, 2023
NC
Last seenAug 10, 2026
NC
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDP9XXFD295839
Make
Peterbilt
Model
579
Model year
2015
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1985 or 2015

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

North American serial sequence
295839

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
2015

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 · Jul 22, 2023 – Aug 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 10, 2026NCII · Walk-around0GERALD CLONTZ TRUCKING INC 338671DD7949/NC
Mar 17, 2026SCIII · Driver-only1GERALD CLONTZ TRUCKING INC 338671DD7949/NC
Jul 29, 2025NCII · Walk-around1OOSGERALD CLONTZ TRUCKING INC 338671VW7777/NC
Jun 21, 2025NCIII · Driver-only0GERALD CLONTZ TRUCKING INC 338671VW7777/NC
Jul 22, 2023NCII · Walk-around0GERALD CLONTZ TRUCKING INC 338671NL4235/NC
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GERALD CLONTZ TRUCKING INC338671Jul 22, 2023Aug 10, 20265NC
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.
DD7949NC1GERALD CLONTZ TRUCKING INCMar 17, 2026Aug 10, 20262
VW7777NCGERALD CLONTZ TRUCKING INCJun 21, 2025Jul 29, 20252
NL4235NCGERALD CLONTZ TRUCKING INCJul 22, 2023Jul 22, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026