Equipment unit · VIN-decoded · NHTSA vPIC

1S9SS4639EL476451

Not yet decoded
Carriers run under1
6 mo
Inspections2
all-time
OOS inspections1
of 2
First seenOct 24, 2025
MT
Last seenApr 21, 2026
MT
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
SS463

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1984 or 2014

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

North American serial sequence
476451

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 · 25 decoded VINs at 100.0% prefix purity.

Model
SMITHCO MANUFACTURING

Prefix basis · 25 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 · Oct 24, 2025 – Apr 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 21, 2026MTII · Walk-around1KH CIVIL CONTRACTORS INC 4148874846247A/MT
Oct 24, 2025MTII · Walk-around6OOSKH CIVIL CONTRACTORS INC 4148874846247A/MT
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KH CIVIL CONTRACTORS INC4148874Oct 24, 2025Apr 21, 20262MT
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.
846247AMTKH CIVIL CONTRACTORS INCOct 24, 2025Apr 21, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC