Equipment unit · VIN-decoded · NHTSA vPIC

1W16532A9G5550402

Not yet decoded
Carriers run under2
20 mo
Inspections2
all-time
OOS inspections0
of 2
First seenFeb 3, 2024
IA
Last seenOct 15, 2025
IA
Inspected under 2 different carriers in 20 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
1W1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
6532A

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1986 or 2016

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

North American serial sequence
550402

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

Prefix basis · 258 decoded VINs at 100.0% prefix purity.

Model
Wilson

Prefix basis · 258 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 · Feb 3, 2024 – Oct 15, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 15, 2025IAIII · Driver-only4MARTHA VILLANUEVA 3482404KU9048/IA
Feb 3, 2024IAIII · Driver-only5MATTHEW MESSAMAKER 7192777243EW/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARTHA VILLANUEVA3482404Oct 15, 2025Oct 15, 20251IA
MATTHEW MESSAMAKER719277Feb 3, 2024Feb 3, 20241IA
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.
KU9048IAMARTHA VILLANUEVAOct 15, 2025Oct 15, 20251
7243EWIAMATTHEW MESSAMAKERFeb 3, 2024Feb 3, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC