The Daedong 3C100LWU Crankcase Cylinder Block E5763-A0013 is a diesel engine part designed for heavy equipment. With 3 cylinders and 6 valves, this engine model is known for its durability and performance in demanding industrial environments. The brand Daedong is known for producing high-quality engine parts, making this crankcase cylinder block a reliable option for those in need of a replacement part for their heavy machinery. One cylinder is pretty bad. Needs bored. Unusable as is. That’s the only issue with it.