Tecumseh/craftsman 8hp Horizontal Shaft Engine 143-796132-used- Dual ShaftCast Iron Cylinder Liner. Good engine, runs with gas sprayed into carb- will need tune up. Crankshaft is 2 3/4″ long, 1″ wide; reverse crank is 1″ long and 5/8″ wide. Both are keyed and tapped. Engine has NO OIL, NO OIL, NO OIL..