Production chronology1929
Sourced production or model lifecycle range used by the main catalog timeline.
curated ↗1 year
← Brooks Steam
Brooks Steam / Model record
Brooks Steam39-passenger Steam City Bus Prototype
Production1929
Recorded originUnited States
Class39-seat plus standees experimental city bus
Built1 units
Production
1
confirmed units built
Second and final Brooks bus replaced the conventional boiler with square-section water-tube coils, permitting a claimed 20-second start. Demonstrated immediately before the 1929 crash, it never reached series production.
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.