Equipment unit · VIN-decoded · NHTSA vPIC

2021 Wilson

1W16533A5M5559883 · TRAILER
Carriers run under3
34 mo
Inspections7
all-time
OOS inspections1
of 7
First seenJun 28, 2023
IA
Last seenApr 12, 2026
SD
Inspected under 3 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
1W16533A5M5559883
Make
Wilson
Model
Not decoded
Model year
2021
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
5 · valid

Deterministic · position 9; calculated value 5.

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
559883

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
2021

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 · Jun 28, 2023 – Apr 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 12, 2026SDIII · Driver-only0J & A TRANSPORT LLC 2301640STC9839/MN
Sep 15, 2025NEIII · Driver-only1CODY IHLEN 3246428STC9839/MN
Apr 30, 2025IAIII · Driver-only4HAAS & STEEN FARMS LLC 1515444STC9839/MN
Jan 25, 2025SDIII · Driver-only2HAAS & STEEN FARMS LLC 15154442280STX/MN
Jan 9, 2025COIII · Driver-only2OOSHAAS & STEEN FARMS LLC 15154442280STX/MN
Sep 8, 2023SDIII · Driver-only0HAAS & STEEN FARMS LLC 15154442280STX/MN
Jun 28, 2023IAIII · Driver-only4HAAS & STEEN FARMS LLC 15154442280STX/MN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J & A TRANSPORT LLC2301640Apr 12, 2026Apr 12, 20261IA
CODY IHLEN3246428Sep 15, 2025Sep 15, 20251MN
HAAS & STEEN FARMS LLC1515444Jun 28, 2023Apr 30, 20255MN
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.
STC9839MNJ & A TRANSPORT LLCApr 12, 2026Apr 12, 20261
STC9839MNCODY IHLENSep 15, 2025Sep 15, 20251
STC9839MNHAAS & STEEN FARMS LLCApr 30, 2025Apr 30, 20251
2280STXMNHAAS & STEEN FARMS LLCJun 28, 2023Jan 25, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026