Equipment unit · VIN-decoded · NHTSA vPIC

2021 Wilson

1W1K55322M6630373 · Trailer · TRAILER
Carriers run under4
24 mo
Inspections5
all-time
OOS inspections3
of 5
First seenJul 16, 2024
PA
Last seenJul 28, 2026
OH
Inspected under 4 different carriers in 24 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
1W1K55322M6630373
Make
Wilson
Model
Wilson
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 9, 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
K5532

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1991 or 2021

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

North American serial sequence
630373

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

Prefix basis · 253 decoded VINs at 100.0% prefix purity.

Model
Wilson

Prefix basis · 253 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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
WILSON

Observed directly for this VIN via NHTSA vPIC.

Observed model
Wilson

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 · Jul 16, 2024 – Jul 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 28, 2026OHII · Walk-around1LEON FOX 93881520M3FH/MO
Mar 25, 2025COIII · Driver-only1WILSON SHIRK 425037420M3FH/MO
Jan 6, 2025IAII · Walk-around25OOSLEADING EDGE TRANSPORT LLC 324907120M3FH/MO
Nov 4, 2024ILIII · Driver-only1OOSLEADING EDGE TRANSPORT LLC 324907120M3FH/MO
Jul 16, 2024PAII · Walk-around10OOSFLATTOP TRUCKING LLC 257106139F9EF/MO
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LEON FOX938815Jul 28, 2026Jul 28, 20261MO
WILSON SHIRK4250374Mar 25, 2025Mar 25, 20251MO
LEADING EDGE TRANSPORT LLC3249071Nov 4, 2024Jan 6, 20252MO
FLATTOP TRUCKING LLC2571061Jul 16, 2024Jul 16, 20241MO
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.
20M3FHMO2LEON FOXJul 28, 2026Jul 28, 20261
20M3FHMOWILSON SHIRKMar 25, 2025Mar 25, 20251
20M3FHMOLEADING EDGE TRANSPORT LLCNov 4, 2024Jan 6, 20252
39F9EFMOFLATTOP TRUCKING LLCJul 16, 2024Jul 16, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 9, 2026