Equipment unit · VIN-decoded · NHTSA vPIC

4WW4412A7H7713609

Not yet decoded
Carriers run under2
12 mo
Inspections2
all-time
OOS inspections1
of 2
First seenMay 18, 2025
TX
Last seenMay 10, 2026
TX
Inspected under 2 different carriers in 12 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
4WW

Deterministic · VIN positions 1–3.

Vehicle descriptor section
4412A

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1987 or 2017

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

North American serial sequence
713609

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
WILSON TRAILER CO.

Prefix basis · 49 decoded VINs at 100.0% prefix purity.

Model
Wilson Trailer Co.

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 · May 18, 2025 – May 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 10, 2026TXII · Walk-around8OOSSEM TRANSPORT LLC 27851511290KN/OK
May 18, 2025TXII · Walk-around3A SALDIVAR TRANSPORT LLC 20302031290KN/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SEM TRANSPORT LLC2785151May 10, 2026May 10, 20261TX
A SALDIVAR TRANSPORT LLC2030203May 18, 2025May 18, 20251TX
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.
1290KNOKSEM TRANSPORT LLCMay 10, 2026May 10, 20261
1290KNOKA SALDIVAR TRANSPORT LLCMay 18, 2025May 18, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC