Equipment unit · VIN-decoded · NHTSA vPIC

2021 Wilson

1W1K44322M7721649 · Trailer · TRAILER
Carriers run under1
21 mo
Inspections5
all-time
OOS inspections0
of 5
First seenSep 24, 2024
UT
Last seenJun 30, 2026
WI
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1W1K44322M7721649
Make
Wilson
Model
Wilson
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 5, 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
1W1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
K4432

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1991 or 2021

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

North American serial sequence
721649

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 · 363 decoded VINs at 99.7% prefix purity.

Model
Wilson

Prefix basis · 363 decoded VINs at 99.7% 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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
WILSON

Observed directly for this VIN via NHTSA vPIC.

Observed model
Wilson

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 · Sep 24, 2024 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026WII · Full0FOX VALLEY TRANSPORTATION LLC 99693797128/WI
Jan 16, 2025SDIII · Driver-only0FOX VALLEY TRANSPORTATION LLC 99693797128/WI
Dec 30, 2024GAIII · Driver-only1FOX VALLEY TRANSPORTATION LLC 99693797128/WI
Nov 15, 2024WIIII · Driver-only2FOX VALLEY TRANSPORTATION LLC 99693797128/WI
Sep 24, 2024UTI · Full0FOX VALLEY TRANSPORTATION LLC 99693797128/WI
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FOX VALLEY TRANSPORTATION LLC99693Sep 24, 2024Jun 30, 20265WI
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.
797128WI2FOX VALLEY TRANSPORTATION LLCSep 24, 2024Jun 30, 20265
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026