The SMA SR460 is a French diesel aircraft engine, under development by SMA Engines of Bourges for use in light aircraft.

[1] The SR460 is a six-cylinder four-stroke, horizontally-opposed, 7,500 cc (457.7 cu in) displacement, air and oil-cooled, direct-drive, diesel engine design.

It will produce 330 to 400 hp (246 to 298 kW), depending on the model.

[1] Data from Tacke[1] Related lists