Equipment unit · VIN-decoded · NHTSA vPIC

2017 Wilson Trailer Co.

4WW5532A2H6625277 · TRAILER
Carriers run under2
14 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJun 26, 2023
CA
Last seenAug 24, 2024
CA
Inspected under 2 different carriers in 14 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
4WW5532A2H6625277
Make
Wilson Trailer Co.
Model
Not decoded
Model year
2017
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 14, 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
5532A

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
625277

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 · Jun 26, 2023 – Aug 24, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 24, 2024CAIII · Driver-only2OOSWILSON BROTHERS CORP 18335864PF4558/CA
Nov 29, 2023CAI · Full0CIA TRANSPORT INC 33696564PF4558/CA
Nov 22, 2023CAI · Full1CIA TRANSPORT INC 33696564PF4558/CA
Oct 17, 2023CAIII · Driver-only0CIA TRANSPORT INC 33696564PF4558/CA
Sep 26, 2023CAI · Full2CIA TRANSPORT INC 33696564PF4558/CA
Jun 26, 2023CAII · Walk-around7CIA TRANSPORT INC 33696564PF4558/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WILSON BROTHERS CORP1833586Aug 24, 2024Aug 24, 20241CA
CIA TRANSPORT INC3369656Jun 26, 2023Nov 29, 20235CA
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.
4PF4558CAWILSON BROTHERS CORPAug 24, 2024Aug 24, 20241
4PF4558CACIA TRANSPORT INCJun 26, 2023Nov 29, 20235
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 14, 2026