Equipment unit · VIN-decoded · NHTSA vPIC

2025 Wilson

1W1K4432XS7731116 · Trailer · TRAILER
Carriers run under2
6 mo
Inspections2
all-time
OOS inspections0
of 2
First seenNov 23, 2025
IA
Last seenMay 5, 2026
IA
Inspected under 2 different carriers in 6 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

VIN
1W1K4432XS7731116
Make
Wilson
Model
Wilson
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Sep 1, 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
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1995 or 2025

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

North American serial sequence
731116

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
2025

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 · Nov 23, 2025 – May 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 5, 2026IAIII · Driver-only4GRAY FARMS TRUCKING LLC 3774702FY5819/IA
Nov 23, 2025IAIII · Driver-only1GREGORY RENS 4271241FY5819/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GRAY FARMS TRUCKING LLC3774702May 5, 2026May 5, 20261IA
GREGORY RENS4271241Nov 23, 2025Nov 23, 20251IA
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.
FY5819IAGRAY FARMS TRUCKING LLCMay 5, 2026May 5, 20261
FY5819IAGREGORY RENSNov 23, 2025Nov 23, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 1, 2026