Equipment unit · VIN-decoded · NHTSA vPIC

2021 Wilson

1W15533A9M6629908 · TRAILER
Carriers run under2
3 mo
Inspections3
all-time
OOS inspections2
of 3
First seenMay 1, 2026
MT
Last seenAug 21, 2026
MT
Inspected under 2 different carriers in 3 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
1W15533A9M6629908
Make
Wilson
Model
Not decoded
Model year
2021
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.

Source · 49 CFR Part 565 ↗
Vehicle descriptor section
5533A

Deterministic · VIN positions 4–8.

Source · 49 CFR Part 565 ↗
Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Source · 49 CFR Part 565 ↗
Model year candidates
1991 or 2021

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

Source · 49 CFR Part 565 ↗
North American serial sequence
629908

Deterministic · positions 12–17 for a North American WMI.

Source · 49 CFR Part 565 ↗

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

Not established

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · May 1, 2026 – Aug 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 21, 2026MTIII · Driver-only0—TROY PERSON 2258170U192071/SD
May 1, 2026MTII · Walk-around1OOSSOLID ROCK PRECAST LLC 4528089U192071/SD
May 1, 2026MTII · Walk-around2OOSSOLID ROCK PRECAST LLC 4528089U192071/SD
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TROY PERSON2258170Aug 21, 2026Aug 21, 20261SD
SOLID ROCK PRECAST LLC4528089May 1, 2026May 1, 20262SD
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.
U192071SD2TROY PERSONAug 21, 2026 → Aug 21, 20261
U192071SD—SOLID ROCK PRECAST LLCMay 1, 2026 → May 1, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 1, 2026