now this fire engine is HUGE! And cool, it's on the edge of the horse drawn to engine powered transition... and the size of a bus!

New York Fire Department demonstration of a steam pumper converted from horse-drawn to motor-driven, at 12th Avenue and 56th Street. (Courtesy NYC Municipal Archives)

found on http://pixtale.net/2012/04/historic-photos-from-the-nyc-municipal-archives/