Specifications include, but are not limited to: ENGINE PROPULSION Diesel Engine OPERATING ENVIRONMENT Rider Floor Scrubber must be designed for heavy‐duty use primarily in a municipal garage and bus storage facility. The scrubber should also be able to operate outside without damaging to the system. Storage area floor contains engine oil, vehicle fluids, road salt, leaves, and other debris from daily use and storage of transit buses. VACUUM SYSTEM Sufficient fan speed and water lift to vacuum wet or dry material in the operating environment noted above without damage to the system MAIN CLEANING PATH 48" minimum CLEANING PATH WITH SIDE BRUSH 60" minimum BRUSH SPEED 425 RPM minimum RECOVERY TANK SIZE 90 gallon minimum