The DCC electro hydraulic clamshell buckets design for fitted on a single line crane. Clamshells design for all granulometries, angel of inclination an bulk density. The clamshell have its own hydraulic operate unit, these are operated by a electric motor. The two scoops open and close synchronously. Characteristics of the Motor-clamshell grab Highest close force and optimal penetration. Robust structure in high elastic strength steel. Maximum capacity. Low empty weight. Low cost of maintenance. Hardened shafts. Robust and broad bearings. Double sealed bearing system. Cylinder rods are made of stainless steel hard chromed. Durable seals hydraulic cylinders. Extreme wear-resistant lips. CE Conformity.