Equipment unit · VIN-decoded · NHTSA vPIC

1NPTXPEX4LD663021

Not yet decoded
Carriers run under1
12 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJul 29, 2024
VA
Last seenJul 15, 2025
MD
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
TXPEX

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1990 or 2020

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

North American serial sequence
663021

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 · 71 decoded VINs at 100.0% prefix purity.

Model
367

Prefix basis · 71 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 · Jul 29, 2024 – Jul 15, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 15, 2025MDII · Walk-around0CONSTRUCTION TRADES SERVICES INC 516926313ED10/MD
Jul 29, 2024VAIII · Driver-only1CONSTRUCTION TRADES SERVICES INC 516926313ED10/MD
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CONSTRUCTION TRADES SERVICES INC516926Jul 29, 2024Jul 15, 20252MD
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.
313ED10MDCONSTRUCTION TRADES SERVICES INCJul 29, 2024Jul 15, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC