Equipment unit · VIN-decoded · NHTSA vPIC

2022 Smithco Manufacturing

1S9SS4734NL476467 · Trailer · TRAILER
Carriers run under1
3 mo
Inspections3
all-time
OOS inspections0
of 3
First seenFeb 24, 2026
SD
Last seenMay 20, 2026
SD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1S9SS4734NL476467
Make
Smithco Manufacturing
Model
SMITHCO MANUFACTURING
Model year
2022
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
1S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SS473

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1992 or 2022

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

North American serial sequence
476467

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
SMITHCO MANUFACTURING

Prefix basis · 36 decoded VINs at 100.0% prefix purity.

Model
SMITHCO MANUFACTURING

Prefix basis · 36 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.

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 · Feb 24, 2026 – May 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 20, 2026SDIII · Driver-only2—SOLID ROCK PRECAST LLC 4528089U192067/SD
Mar 11, 2026MNIII · Driver-only1—SOLID ROCK PRECAST LLC 4528089U192067/SD
Feb 24, 2026SDIII · Driver-only5—SOLID ROCK PRECAST LLC 4528089U180462/SD
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOLID ROCK PRECAST LLC4528089Feb 24, 2026May 20, 20263SD
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.
U192067SD—SOLID ROCK PRECAST LLCMar 11, 2026 → May 20, 20262
U180462SD—SOLID ROCK PRECAST LLCFeb 24, 2026 → Feb 24, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026