Equipment unit · VIN-decoded · NHTSA vPIC

1NPTX4TX4DD179952

Not yet decoded
Carriers run under1
19 mo
Inspections2
all-time
OOS inspections0
of 2
First seenOct 18, 2023
AL
Last seenMay 19, 2025
AL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

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

World manufacturer identifier
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
TX4TX

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1983 or 2013

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

North American serial sequence
179952

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 · 49 decoded VINs at 100.0% prefix purity.

Model
367

Prefix basis · 49 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.

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 · Oct 18, 2023 – May 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 19, 2025ALII · Walk-around7BIG M EXCAVATING INC 153445663C00P8/AL
Oct 18, 2023ALII · Walk-around0BIG M EXCAVATING INC 153445663X91046/AL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG M EXCAVATING INC1534456Oct 18, 2023May 19, 20252AL
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.
63C00P8ALBIG M EXCAVATING INCMay 19, 2025May 19, 20251
63X91046ALBIG M EXCAVATING INCOct 18, 2023Oct 18, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC