Equipment unit · VIN-decoded · NHTSA vPIC

2003 Wilson Trailer Co.

1W1MAF1A83A236330 · Trailer · TRAILER
Carriers run under1
19 mo
Inspections5
all-time
OOS inspections2
of 5
First seenSep 28, 2023
MO
Last seenApr 10, 2025
WA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1W1MAF1A83A236330
Make
Wilson Trailer Co.
Model
Wilson Trailer Co.
Model year
2003
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
MAF1A

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
2003 or 2033

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

North American serial sequence
236330

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 · 63 decoded VINs at 100.0% prefix purity.

Model
Wilson Trailer Co.

Prefix basis · 63 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
2003

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 · Sep 28, 2023 – Apr 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 10, 2025WAII · Walk-around1OOSKILLER B TRUCKING INC 71156804U986/WY
Aug 22, 2024ORII · Walk-around3OOSKILLER B TRUCKING INC 7115684U1682/WY
Jun 5, 2024CAII · Walk-around0KILLER B TRUCKING INC 7115684U1682/WY
Oct 25, 2023WIIII · Driver-only0KILLER B TRUCKING INC 7115684U1682/WY
Sep 28, 2023MOIII · Driver-only0KILLER B TRUCKING INC 7115684U1682/WY
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KILLER B TRUCKING INC711568Sep 28, 2023Apr 10, 20255WY
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.
04U986WYKILLER B TRUCKING INCApr 10, 2025Apr 10, 20251
4U1682WYKILLER B TRUCKING INCSep 28, 2023Aug 22, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026