Equipment unit · VIN-decoded · NHTSA vPIC

2017 Wilson Trailer Co.

4WW5482A3H6625546 · TRAILER
Carriers run under2
21 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJul 19, 2023
WA
Last seenApr 28, 2025
SD
Inspected under 2 different carriers in 21 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
4WW5482A3H6625546
Make
Wilson Trailer Co.
Model
Not decoded
Model year
2017
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 31, 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
5482A

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1987 or 2017

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

North American serial sequence
625546

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
2017

Observed directly for this VIN via NHTSA vPIC.

Observed make
WILSON TRAILER CO.

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 19, 2023 – Apr 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 28, 2025SDIII · Driver-only0SHADOW TRUCKING LLC 42728258937TJ/ID
Feb 5, 2025UTIII · Driver-only0SHADOW TRUCKING LLC 42728258937TJ/ID
Sep 13, 2023UTIII · Driver-only0MCKENNA TRANSPORT INC 6191588937TJ/ID
Jul 19, 2023WAIII · Driver-only0MCKENNA TRANSPORT INC 6191588937TJ/ID
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHADOW TRUCKING LLC4272825Feb 5, 2025Apr 28, 20252ID
MCKENNA TRANSPORT INC619158Jul 19, 2023Sep 13, 20232ID
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.
8937TJIDSHADOW TRUCKING LLCFeb 5, 2025Apr 28, 20252
8937TJIDMCKENNA TRANSPORT INCJul 19, 2023Sep 13, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026