Equipment unit · VIN-decoded · NHTSA vPIC

1997 Wilson Trailer Co.

1W1UCSWBXVD518863 · Trailer · TRAILER
Carriers run under2
12 mo
Inspections4
all-time
OOS inspections3
of 4
First seenDec 4, 2024
AZ
Last seenDec 13, 2025
AR
Inspected under 2 different carriers in 12 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
1W1UCSWBXVD518863
Make
Wilson Trailer Co.
Model
Wilson Trailer Co.
Model year
1997
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 9, 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
UCSWB

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1997 or 2027

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

North American serial sequence
518863

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
1997

Observed directly for this VIN via NHTSA vPIC.

Observed make
WILSON TRAILER CO.

Observed directly for this VIN via NHTSA vPIC.

Observed model
Wilson Trailer Co.

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

  • 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 · Dec 4, 2024 – Dec 13, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 13, 2025ARIII · Driver-only2OOSH-H TRANSPORT LLC 405852669701/AZ
Sep 21, 2025TNIII · Driver-only1OOSH-H TRANSPORT LLC 4058526V74097/AZ
Jul 29, 2025MTIII · Driver-only2OOSH-H TRANSPORT LLC 4058526V74097/AZ
Dec 4, 2024AZIII · Driver-only2VISS AGRICULTURE CO LLC 2373134NONE/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
H-H TRANSPORT LLC4058526Jul 29, 2025Dec 13, 20253AZ
VISS AGRICULTURE CO LLC2373134Dec 4, 2024Dec 4, 20241AZ
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.
69701AZH-H TRANSPORT LLCDec 13, 2025Dec 13, 20251
V74097AZH-H TRANSPORT LLCJul 29, 2025Sep 21, 20252
NONEAZVISS AGRICULTURE CO LLCDec 4, 2024Dec 4, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 9, 2026