Equipment unit · VIN-decoded · NHTSA vPIC

1W1UCS203BD539652

Not yet decoded
Carriers run under1
4 mo
Inspections2
all-time
OOS inspections0
of 2
First seenAug 23, 2024
IA
Last seenDec 16, 2024
SD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
UCS20

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1981 or 2011

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

North American serial sequence
539652

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 · 6 decoded VINs at 100.0% prefix purity.

Model
Wilson Trailer Co.

Prefix basis · 6 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.

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 · Aug 23, 2024 – Dec 16, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 16, 2024SDIII · Driver-only0K & G SIEBRECHT INC 788233IM6742/IA
Aug 23, 2024IAIII · Driver-only1K & G SIEBRECHT INC 788233IM6742/IA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
K & G SIEBRECHT INC788233Aug 23, 2024Dec 16, 20242IA
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.
IM6742IAK & G SIEBRECHT INCAug 23, 2024Dec 16, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC