Equipment unit · VIN-decoded · NHTSA vPIC

1NPCL40X6SD726121

Not yet decoded
Carriers run under2
7 mo
Inspections2
all-time
OOS inspections0
of 2
First seenApr 15, 2025
PA
Last seenNov 13, 2025
PA
Inspected under 2 different carriers in 7 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
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
CL40X

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
726121

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 · 672 decoded VINs at 100.0% prefix purity.

Model
567

Prefix basis · 672 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 · Apr 15, 2025 – Nov 13, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 13, 2025PAIII · Driver-only0WEST PENN AGGREGATES INC 2000974AH58147/PA
Apr 15, 2025PAII · Walk-around0MCCLYMONDS SUPPLY & TRANSIT CO INC 269478AH58147/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WEST PENN AGGREGATES INC2000974Nov 13, 2025Nov 13, 20251PA
MCCLYMONDS SUPPLY & TRANSIT CO INC269478Apr 15, 2025Apr 15, 20251PA
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.
AH58147PAWEST PENN AGGREGATES INCNov 13, 2025Nov 13, 20251
AH58147PAMCCLYMONDS SUPPLY & TRANSIT CO INCApr 15, 2025Apr 15, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC