Equipment unit · VIN-decoded · NHTSA vPIC

2016 Wilson Trailer Co.

4WW4432A9G7711421 · Trailer · TRAILER
Carriers run under1
26 mo
Inspections5
all-time
OOS inspections1
of 5
First seenOct 20, 2023
TX
Last seenDec 5, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4WW4432A9G7711421
Make
Wilson Trailer Co.
Model
Wilson Trailer Co.
Model year
2016
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 30, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
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
4432A

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
711421

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 · 152 decoded VINs at 100.0% prefix purity.

Model
Wilson Trailer Co.

Prefix basis · 152 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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2016

Observed directly for this VIN via NHTSA vPIC.

Observed make
WILSON TRAILER CO.

Observed directly for this VIN via NHTSA vPIC.

Observed model
Wilson Trailer Co.

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

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 · Oct 20, 2023 – Dec 5, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 5, 2025TXII · Walk-around5GREGORY MATTHEW ZEPEDA 3325805074C024/TX
Apr 17, 2024TXII · Walk-around4GREGORY MATTHEW ZEPEDA 3325805074C024/TX
Jan 13, 2024TXII · Walk-around1GREGORY MATTHEW ZEPEDA 3325805074C024/TX
Nov 20, 2023TXII · Walk-around2OOSGREGORY MATTHEW ZEPEDA 3325805074C024/TX
Oct 20, 2023TXII · Walk-around2GREGORY MATTHEW ZEPEDA 3325805074C024/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GREGORY MATTHEW ZEPEDA3325805Oct 20, 2023Dec 5, 20255TX
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.
074C024TXGREGORY MATTHEW ZEPEDAOct 20, 2023Dec 5, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026