Col Francis G. Ward Pumping Station
Holly Engines
Buffalo, NY

Detail Specifications:

            Builders: Holly Mfg. Co, Buffalo, NY
            Installed: 1915

            Type: Vertical Triple Expansion (five engines):
                High Pressure Cylinder: 31"
                Intermediate Pressure Cylinder: 64"
                Low Pressure Cylinder: 98"
                Stroke: 66"
                Pump Plunger: 37.5"
                Discharge pipe: 48"
                Speed: approx 22 rpm

            Flywheels:
                Number: 2/engine
                Diameter: 20'
                Weight: 30 tons       

            Each Pump:
                Single acting pump
                Pump capacity: 950 gal/revolution
                Daily capacity: 30 Million gal
                Number of valves: 1260
                Valve diameter: 4.25"

            Overall:
                Engine weight: 1100 tons
                Height: 60'
                Base: 22.5 x 43'