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The Curtiss A-2 was a small 2 cylinder V-type engine built by the Curtiss Aeroplane and Motor Company around 1909. It was developed from an earlier Curtiss motorcycle engine.^[which?]

• Type: Two-cylinder, V-type, air-cooled
• Bore: 3.25in (82.55mm)
• Stroke: 3.625in (92.08mm)
• Displacement: 60.14 cuin (986cc)
• Dry weight: 50lb (22.7kg)

• Cooling system: Air cooled

• Power output: 7 hp (5.2 kW) at 1,500 rpm

• Curtiss A-2 V-2 Engine, Smithsonian Institution National Air and Space Museum collections, archived from the original on 2019-07-21, retrieved 2018-06-06