Tecumseh Hs50-67259k 5 HP Horizontal Shaft Engine Used- Off 2 Stage SnowblowerTecumseh 5 HP horizontal shaft engine, model #HS50-67259K. Good engine, runs with gas squirted into carb, may need tune up/carburetor work. Crankshaft is 2 1/4″ long with a 3/4″ diameter and is keyed and tapped. Engine has NO OIL. This item is in.