Equipment unit · VIN-decoded · NHTSA vPIC

2022 Wilson

1W1K44122N7723986 · Trailer · TRAILER
Carriers run under1
14 mo
Inspections3
all-time
OOS inspections0
of 3
First seenDec 19, 2023
IA
Last seenFeb 14, 2025
IA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1W1K44122N7723986
Make
Wilson
Model
Wilson
Model year
2022
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
K4412

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1992 or 2022

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

North American serial sequence
723986

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 · 118 decoded VINs at 100.0% prefix purity.

Model
Wilson

Prefix basis · 118 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
2022

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 · Dec 19, 2023 – Feb 14, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 14, 2025IAIII · Driver-only1WALKER & STIEGER TRUCKING LLC 722312IJ8102/IA
Feb 3, 2025OKIII · Driver-only1WALKER & STIEGER TRUCKING LLC 722312IJ8102/IA
Dec 19, 2023IAIII · Driver-only1WALKER & STIEGER TRUCKING LLC 722312IJ8102/IA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WALKER & STIEGER TRUCKING LLC722312Dec 19, 2023Feb 14, 20253IA
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.
IJ8102IAWALKER & STIEGER TRUCKING LLCDec 19, 2023Feb 14, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026