Production chronology1922–1923
Sourced production or model lifecycle range used by the main catalog timeline.
curated ↗2 years
← CMN
CMN / Model record
CMN2.2-Litre Four-Cylinder
Production1922–1923
Recorded originItaly
ClassPassenger automobile; body catalog and formal factory designation unresolved
Transparent evidence-gap row for the additional 2.2-litre four explicitly listed in encyclopedia-derived CMN model histories. It is not merged into the 2,297 cc 15/20 HP or 1,940 cc Tipo 7 because the displacement establishes a distinct engine family, but no unsupported type number is invented.
Chronology ledger
Dates with their meaning intact
Record depth — Documented
How this is measured → This record contains useful sourced evidence, but it does not yet meet the reference-ready standard. Still needed: attributed imagery. Fields we cannot source stay empty rather than guessed.
Research notes
No production total, model name or surviving chassis ledger is published.