Equipment unit · VIN-decoded · NHTSA vPIC

2020 Wilson

1W16533A9L5558511 · TRAILER
Carriers run under5
33 mo
Inspections5
all-time
OOS inspections1
of 5
First seenSep 13, 2023
NE
Last seenJun 29, 2026
NE
Inspected under 5 different carriers in 33 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
1W16533A9L5558511
Make
Wilson
Model
Not decoded
Model year
2020
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 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
9 · valid

Deterministic · position 9; calculated value 9.

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
558511

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 13, 2023 – Jun 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 29, 2026NEIII · Driver-only0CONRAD CAMPBELL 4560166TR6776/ID
Mar 26, 2026NEIII · Driver-only1A C TRANSPORT LLC 2784974TR6776/ID
Aug 28, 2025COII · Walk-around7EDWARDS TRANSPORT 3284618TR6776/ID
Apr 8, 2025COIII · Driver-only3OOSC RUSSELL TRUCKING INC 551788TR6547/ID
Sep 13, 2023NEIII · Driver-only1HAPPY TRAILS TRUCKING LLC 2165323TR6776/ID
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CONRAD CAMPBELL4560166Jun 29, 2026Jun 29, 20261NE
A C TRANSPORT LLC2784974Mar 26, 2026Mar 26, 20261NE
EDWARDS TRANSPORT3284618Aug 28, 2025Aug 28, 20251WY
C RUSSELL TRUCKING INC551788Apr 8, 2025Apr 8, 20251CO
HAPPY TRAILS TRUCKING LLC2165323Sep 13, 2023Sep 13, 20231WY
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.
TR6776ID2CONRAD CAMPBELLJun 29, 2026Jun 29, 20261
TR6776IDA C TRANSPORT LLCMar 26, 2026Mar 26, 20261
TR6776IDEDWARDS TRANSPORTAug 28, 2025Aug 28, 20251
TR6547IDC RUSSELL TRUCKING INCApr 8, 2025Apr 8, 20251
TR6776IDHAPPY TRAILS TRUCKING LLCSep 13, 2023Sep 13, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 1, 2026