TECUMSEH LH318SA-156553G 318cc HORIZONTAL SHAFT ENGINE USEDTecumseh LH318SA-156553G, 318cc Horizontal Shaft Engine. Needs tune up, may need carb work. Crankshaft is 2 3/4″ long with 7/8″ diameter. It is keyed and tapped. Unit ships without oil. The item “TECUMSEH LH318SA-156553G 318cc HORIZONTAL SHAFT ENGINE USED” is in sale since Friday, January 25, 2019. This.