Equipment unit · VIN-decoded · NHTSA vPIC

2020 Wilson

1W16533A0L5557621 · TRAILER
Carriers run under2
1 mo
Inspections2
all-time
OOS inspections0
of 2
First seenSep 4, 2024
SD
Last seenOct 20, 2024
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
1W16533A0L5557621
Make
Wilson
Model
Not decoded
Model year
2020
Body class
Not decoded
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
6533A

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1990 or 2020

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

North American serial sequence
557621

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 · 148 decoded VINs at 99.3% prefix purity.

Model
Wilson

Prefix basis · 148 decoded VINs at 99.3% 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
2020

Observed directly for this VIN via NHTSA vPIC.

Observed make
WILSON

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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 4, 2024 – Oct 20, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 20, 2024SDIII · Driver-only0RIGGS TRUCKING LLC 728369STE0560/MN
Sep 4, 2024SDIII · Driver-only1ONE MAN AND A TRUCK LLC 31784990408STN/MN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RIGGS TRUCKING LLC728369Oct 20, 2024Oct 20, 20241MN
ONE MAN AND A TRUCK LLC3178499Sep 4, 2024Sep 4, 20241IA
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.
STE0560MNRIGGS TRUCKING LLCOct 20, 2024Oct 20, 20241
0408STNMNONE MAN AND A TRUCK LLCSep 4, 2024Sep 4, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 1, 2026