Equipment unit · VIN-decoded · NHTSA vPIC

2015 Wilson Trailer Co.

4WW5532A7F6624185 · TRAILER
Carriers run under2
13 mo
Inspections7
all-time
OOS inspections1
of 7
First seenJul 9, 2024
MT
Last seenAug 19, 2025
CA
Inspected under 2 different carriers in 13 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
4WW5532A7F6624185
Make
Wilson Trailer Co.
Model
Not decoded
Model year
2015
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 11, 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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1985 or 2015

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

North American serial sequence
624185

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
2015

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 9, 2024 – Aug 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 19, 2025CAII · Walk-around1DELTA TRANSPORT SERVICES LLC 43078637888PH/MO
Jul 8, 2025SDIII · Driver-only0DELTA TRANSPORT SERVICES LLC 4307863788PH/MO
Mar 21, 2025WAII · Walk-around5OOSDELTA TRANSPORT SERVICES LLC 43078637888PH/MO
Nov 12, 2024MTII · Walk-around0UNITED TRANSPORT LLC 23645140068/MO
Sep 30, 2024ILIII · Driver-only0UNITED TRANSPORT LLC 23645147888PH/MO
Jul 12, 2024MTII · Walk-around2UNITED TRANSPORT LLC 23645147888PH/MO
Jul 9, 2024MTIII · Driver-only0UNITED TRANSPORT LLC 23645147888PH/MO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DELTA TRANSPORT SERVICES LLC4307863Mar 21, 2025Aug 19, 20253MO
UNITED TRANSPORT LLC2364514Jul 9, 2024Nov 12, 20244MO
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.
7888PHMODELTA TRANSPORT SERVICES LLCMar 21, 2025Aug 19, 20252
788PHMODELTA TRANSPORT SERVICES LLCJul 8, 2025Jul 8, 20251
0068MOUNITED TRANSPORT LLCNov 12, 2024Nov 12, 20241
7888PHMOUNITED TRANSPORT LLCJul 9, 2024Sep 30, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 11, 2026