Equipment unit · VIN-decoded · NHTSA vPIC

2023 Wilson

1W1K55346P6631452 · Trailer · TRAILER
Carriers run under2
30 mo
Inspections5
all-time
OOS inspections3
of 5
First seenOct 24, 2023
WA
Last seenApr 1, 2026
MT
Inspected under 2 different carriers in 30 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
1W1K55346P6631452
Make
Wilson
Model
Wilson
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 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
K5534

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1993 or 2023

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

North American serial sequence
631452

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 · 63 decoded VINs at 100.0% prefix purity.

Model
Wilson

Prefix basis · 63 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
2023

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 · Oct 24, 2023 – Apr 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 1, 2026MTII · Walk-around01215087 ALBERTA LTD 41880796ZW179/AB
Oct 13, 2025WAII · Walk-around2OOSSISTEMA TRANSPORT LTD 235144833681K/BC
Oct 4, 2024IDII · Walk-around2OOSSISTEMA TRANSPORT LTD 235144833681K/BC
Jan 12, 2024WAII · Walk-around1OOSSISTEMA TRANSPORT LTD 235144833681K/MB
Oct 24, 2023WAIII · Driver-only0SISTEMA TRANSPORT LTD 235144833681K/BC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
1215087 ALBERTA LTD4188079Apr 1, 2026Apr 1, 20261AB
SISTEMA TRANSPORT LTD2351448Oct 24, 2023Oct 13, 20254BC
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.
6ZW179AB1215087 ALBERTA LTDApr 1, 2026Apr 1, 20261
33681KBCSISTEMA TRANSPORT LTDOct 24, 2023Oct 13, 20253
33681KMBSISTEMA TRANSPORT LTDJan 12, 2024Jan 12, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026