Equipment unit · VIN-decoded · NHTSA vPIC

2020 Wilson

1W16532A4L5558126 · TRAILER
Carriers run under4
34 mo
Inspections5
all-time
OOS inspections1
of 5
First seenSep 25, 2023
SD
Last seenJul 19, 2026
IA
Inspected under 4 different carriers in 34 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
1W16532A4L5558126
Make
Wilson
Model
Not decoded
Model year
2020
Body class
Not decoded
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
6532A

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
558126

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 · 258 decoded VINs at 100.0% prefix purity.

Model
Wilson

Prefix basis · 258 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
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 25, 2023 – Jul 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 19, 2026IAIII · Driver-only3C SWANSON TRUCKING LLC 4525368LU6620/IA
Mar 25, 2026IAIII · Driver-only3C SWANSON TRUCKING LLC 4525368LU6620/IA
Oct 1, 2025IAII · Walk-around7BRADY HOOK TRUCKING LLC 3325696GJ5646/IA
Dec 3, 2024IAIII · Driver-only5E&L REGALADO TRUCKING LLC 4040513GJ5646/IA
Sep 25, 2023SDII · Walk-around5OOSJOHN MILLER JR 2802832GJ5646/IA
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
C SWANSON TRUCKING LLC4525368Mar 25, 2026Jul 19, 20262IA
BRADY HOOK TRUCKING LLC3325696Oct 1, 2025Oct 1, 20251IA
E&L REGALADO TRUCKING LLC4040513Dec 3, 2024Dec 3, 20241MN
JOHN MILLER JR2802832Sep 25, 2023Sep 25, 20231IA
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.
LU6620IA2C SWANSON TRUCKING LLCMar 25, 2026Jul 19, 20262
GJ5646IABRADY HOOK TRUCKING LLCOct 1, 2025Oct 1, 20251
GJ5646IAE&L REGALADO TRUCKING LLCDec 3, 2024Dec 3, 20241
GJ5646IAJOHN MILLER JRSep 25, 2023Sep 25, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 9, 2026