Equipment unit · VIN-decoded · NHTSA vPIC

1W1MAFYW5SA221283

Not yet decoded
Carriers run under2
14 mo
Inspections2
all-time
OOS inspections2
of 2
First seenJul 10, 2024
KS
Last seenSep 20, 2025
OK
Inspected under 2 different carriers in 14 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

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
MAFYW

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1995 or 2025

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

North American serial sequence
221283

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 · 15 decoded VINs at 100.0% prefix purity.

Model
Wilson Trailer Co.

Prefix basis · 15 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 · Jul 10, 2024 – Sep 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 20, 2025OKI · Full10OOS3 MONSTERS TRANSPORTATION LLC 4158962BV5890/OK
Jul 10, 2024KSII · Walk-around7OOSWATER SPRING TRUCKING LLC 3874528BV5890/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
3 MONSTERS TRANSPORTATION LLC4158962Sep 20, 2025Sep 20, 20251OK
WATER SPRING TRUCKING LLC3874528Jul 10, 2024Jul 10, 20241OK
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.
BV5890OK3 MONSTERS TRANSPORTATION LLCSep 20, 2025Sep 20, 20251
BV5890OKWATER SPRING TRUCKING LLCJul 10, 2024Jul 10, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC