Equipment unit · VIN-decoded · NHTSA vPIC

2005 Wilson Trailer Co.

1W1MAF1A05A239211 · Trailer · TRAILER
Carriers run under2
1 mo
Inspections2
all-time
OOS inspections1
of 2
First seenApr 25, 2025
SD
Last seenMay 14, 2025
SD
Inspected under 2 different carriers in 1 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
1W1MAF1A05A239211
Make
Wilson Trailer Co.
Model
Wilson Trailer Co.
Model year
2005
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
MAF1A

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
2005 or 2035

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

North American serial sequence
239211

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.

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 · Apr 25, 2025 – May 14, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 14, 2025SDIV · Special0—THUNDERBIRD COLONY 399032U051663/SD
Apr 25, 2025SDIV · Special1OOSTHUNDERBIRD FARMS 4351669U051663/SD
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THUNDERBIRD COLONY399032May 14, 2025May 14, 20251SD
THUNDERBIRD FARMS4351669Apr 25, 2025Apr 25, 20251SD
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.
U051663SD—THUNDERBIRD COLONYMay 14, 2025 → May 14, 20251
U051663SD—THUNDERBIRD FARMSApr 25, 2025 → Apr 25, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 1, 2026