Equipment unit · VIN-decoded · NHTSA vPIC

2012 Wilson Trailer Co.

1W1UCS25XCD540889 · Trailer · TRAILER
Carriers run under2
31 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJun 29, 2023
IA
Last seenJan 10, 2026
IA
Inspected under 2 different carriers in 31 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
1W1UCS25XCD540889
Make
Wilson Trailer Co.
Model
Wilson Trailer Co.
Model year
2012
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Sep 1, 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
UCS25

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1982 or 2012

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

North American serial sequence
540889

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
2012

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 · Jun 29, 2023 – Jan 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 10, 2026IAI · Full15OOSSTEVEN W BIEDENFELD 432234LE1499/IA
Jun 29, 2023IAIII · Driver-only1WOODALL TRUCKING LLC 1112194IV8818/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STEVEN W BIEDENFELD432234Jan 10, 2026Jan 10, 20261IA
WOODALL TRUCKING LLC1112194Jun 29, 2023Jun 29, 20231IA
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.
LE1499IASTEVEN W BIEDENFELDJan 10, 2026Jan 10, 20261
IV8818IAWOODALL TRUCKING LLCJun 29, 2023Jun 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 1, 2026