Equipment unit · VIN-decoded · NHTSA vPIC

2021 Wilson

1W1K44328M2274399 · Trailer · TRAILER
Carriers run under1
31 mo
Inspections7
all-time
OOS inspections0
of 7
First seenJun 13, 2023
NC
Last seenJan 14, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1W1K44328M2274399
Make
Wilson
Model
Wilson
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
8 · valid

Deterministic · position 9; calculated value 8.

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
274399

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 · Jun 13, 2023 – Jan 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 14, 2026CAIII · Driver-only1AH TRUCKING LLC 151638069L2HF/MO
Dec 20, 2025OKIII · Driver-only0AH TRUCKING LLC 151638069L2HF/MO
May 6, 2025MOII · Walk-around1AH TRUCKING LLC 151638069L2HF/MO
Feb 27, 2025MNIII · Driver-only1AH TRUCKING LLC 151638069L2HF/MO
Apr 30, 2024MNI · Full0AH TRUCKING LLC 151638069L2HF/MO
Sep 10, 2023MOI · Full0AH TRUCKING LLC 151638069L2HF/MO
Jun 13, 2023NCI · Full0AH TRUCKING LLC 151638069L2HF/MO
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AH TRUCKING LLC1516380Jun 13, 2023Jan 14, 20267MO
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.
69L2HFMOAH TRUCKING LLCJun 13, 2023Jan 14, 20267
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026