Equipment unit · VIN-decoded · NHTSA vPIC

2025 Smithco Manufacturing

1S9SS4023SL476098 · Trailer · TRAILER
Carriers run under2
4 mo
Inspections3
all-time
OOS inspections0
of 3
First seenMay 13, 2025
IL
Last seenSep 4, 2025
IL
Inspected under 2 different carriers in 4 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
1S9SS4023SL476098
Make
Smithco Manufacturing
Model
SMITHCO MANUFACTURING
Model year
2025
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
SS402

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1995 or 2025

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

North American serial sequence
476098

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 · 82 decoded VINs at 100.0% prefix purity.

Model
SMITHCO MANUFACTURING

Prefix basis · 82 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
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
SMITHCO MANUFACTURING

Observed directly for this VIN via NHTSA vPIC.

Observed model
SMITHCO MANUFACTURING

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 · May 13, 2025 – Sep 4, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 4, 2025ILIII · Driver-only0THE PETROFF COMPANIES INC 3998794993796ST/IL
Jul 27, 2025CAI · Full2CADENCE PREMIER CARGO INC 1861195993796ST/IL
May 13, 2025ILI · Full1THE PETROFF COMPANIES INC 3998794993796ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THE PETROFF COMPANIES INC3998794May 13, 2025Sep 4, 20252IL
CADENCE PREMIER CARGO INC1861195Jul 27, 2025Jul 27, 20251IL
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.
993796STILTHE PETROFF COMPANIES INCMay 13, 2025Sep 4, 20252
993796STILCADENCE PREMIER CARGO INCJul 27, 2025Jul 27, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026