Failures resulting in engine shut downs that I can recall .....I probably will think of more later.
P&W R1830....DC3.....Cylinder failure
P&W R1830....PBY......Cylinder failure..separation from engine.
P&W R1830....DC3.....Cylinder failure.
R1830....PBY.....Catastrophic failure of the supercharger.
PT6-20..Twin Otter......Fuel controller.
PT6-20...Twin Otter.....Fuel Controller.
Those are all I can recall right now that resulted in an engine shut down and landing at nearest airport......one of which was 275 NM away in the high Arctic.
By the way the failures on the P&W1830's were over a period of 10,000 hours flying time on that type of engine.
It is interesting to note I have never had a failure in a single engine airplane that resulted in a forced landing with no power.
Probably because I'm just lucky.