Equipment unit · VIN-decoded · NHTSA vPIC

2009 Wilson Trailer Co.

1W1UCSWJ39D537770 · Trailer · TRAILER
Carriers run under2
9 mo
Inspections3
all-time
OOS inspections1
of 3
First seenDec 19, 2024
CA
Last seenSep 20, 2025
TX
Inspected under 2 different carriers in 9 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
1W1UCSWJ39D537770
Make
Wilson Trailer Co.
Model
Wilson Trailer Co.
Model year
2009
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
UCSWJ

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
2009 or 2039

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

North American serial sequence
537770

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 TRAILER CO.

Prefix basis · 4 decoded VINs at 100.0% prefix purity.

Model
Wilson Trailer Co.

Prefix basis · 4 decoded VINs at 100.0% 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
2009

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Dec 19, 2024 – Sep 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 20, 2025TXII · Walk-around5OOSMARTIN SANCHEZ VEGA 28583304XA2621/CA
Jul 12, 2025CAII · Walk-around5MARTIN SANCHEZ VEGA 28583304JJ2086/CA
Dec 19, 2024CAI · Full1EVERARDO SANCHEZ 30154574JJ2086/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARTIN SANCHEZ VEGA2858330Jul 12, 2025Sep 20, 20252CA
EVERARDO SANCHEZ3015457Dec 19, 2024Dec 19, 20241CA
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.
4XA2621CAMARTIN SANCHEZ VEGASep 20, 2025Sep 20, 20251
4JJ2086CAMARTIN SANCHEZ VEGAJul 12, 2025Jul 12, 20251
4JJ2086CAEVERARDO SANCHEZDec 19, 2024Dec 19, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026