Equipment unit · VIN-decoded · NHTSA vPIC

1XPCDP9X2ND815759

Not yet decoded
Carriers run under2
24 mo
Inspections2
all-time
OOS inspections0
of 2
First seenMar 7, 2024
TX
Last seenMar 31, 2026
LA
Inspected under 2 different carriers in 24 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
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
CDP9X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1992 or 2022

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

North American serial sequence
815759

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 · 2,638 decoded VINs at 100.0% prefix purity.

Model
567

Prefix basis · 2,638 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 · Mar 7, 2024 – Mar 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 31, 2026LAII · Walk-around0ASTON TRANSPORT LLC 2547601Z846340/LA
Mar 7, 2024TXII · Walk-around0CHALK MOUNTAIN SERVICES OF TEXAS LLC 345957R681711/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ASTON TRANSPORT LLC2547601Mar 31, 2026Mar 31, 20261LA
CHALK MOUNTAIN SERVICES OF TEXAS LLC345957Mar 7, 2024Mar 7, 20241TX
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.
Z846340LAASTON TRANSPORT LLCMar 31, 2026Mar 31, 20261
R681711TXCHALK MOUNTAIN SERVICES OF TEXAS LLCMar 7, 2024Mar 7, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC