Equipment unit · VIN-decoded · NHTSA vPIC

2003 Peterbilt 379

1XP5DB9X23D805063 · Truck-Tractor · TRUCK
Carriers run under1
21 mo
Inspections6
all-time
OOS inspections2
of 6
First seenAug 21, 2024
TX
Last seenMay 28, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XP5DB9X23D805063
Make
Peterbilt
Model
379
Model year
2003
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 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
5DB9X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
2003 or 2033

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

North American serial sequence
805063

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 · 13,463 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 13,463 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
2003

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
379

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 · Aug 21, 2024 – May 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 28, 2026TXII · Walk-around4WILLIAM PAUL LAMON 36439011N72767/TX
May 22, 2026ARIII · Driver-only0WILLIAM PAUL LAMON 36439011N63024/TX
May 6, 2026TXII · Walk-around2OOSWILLIAM PAUL LAMON 36439011M63024/TX
Feb 28, 2025TXII · Walk-around5WILLIAM PAUL LAMON 36439011M63024/TX
Oct 21, 2024TXII · Walk-around5OOSWILLIAM PAUL LAMON 36439011M63024/TX
Aug 21, 2024TXII · Walk-around3WILLIAM PAUL LAMON 36439011M63024/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WILLIAM PAUL LAMON3643901Aug 21, 2024May 28, 20266TX
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.
1N72767TXWILLIAM PAUL LAMONMay 28, 2026May 28, 20261
1N63024TXWILLIAM PAUL LAMONMay 22, 2026May 22, 20261
1M63024TXWILLIAM PAUL LAMONAug 21, 2024May 6, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026