Equipment unit · VIN-decoded · NHTSA vPIC

1DW1C40251E468518

Not yet decoded
Carriers run under2
14 mo
Inspections2
all-time
OOS inspections1
of 2
First seenDec 23, 2024
TX
Last seenFeb 6, 2026
TX
Inspected under 2 different carriers in 14 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
1DW

Deterministic · VIN positions 1–3.

Vehicle descriptor section
1C402

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
2001 or 2031

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

North American serial sequence
468518

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
STOUGHTON TRAILERS

Prefix basis · 15 decoded VINs at 100.0% prefix purity.

Model
Stoughton Trailers

Prefix basis · 15 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 · Dec 23, 2024 – Feb 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 6, 2026TXI · Full7OOSCARMEN YESENIA RAMIREZ ALFARO 25156814113543/ME
Dec 23, 2024TXII · Walk-around2SERVICIO DE TRANSPORTES AS LOGISTICS DE MEXICO S DE RL DE CV 29181264113543/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CARMEN YESENIA RAMIREZ ALFARO2515681Feb 6, 2026Feb 6, 20261CI
SERVICIO DE TRANSPORTES AS LOGISTICS DE MEXICO S DE RL DE CV2918126Dec 23, 2024Dec 23, 20241CI
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.
4113543MECARMEN YESENIA RAMIREZ ALFAROFeb 6, 2026Feb 6, 20261
4113543MESERVICIO DE TRANSPORTES AS LOGISTICS DE MEXICO S DE RL DE CVDec 23, 2024Dec 23, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC