The SM 5913 is an industrial-grade, complete Self Starter Motor Assembly engineered for Hitachi DAS 2.2 series excavators and heavy-duty machinery. Operating on a 24V system with a powerful 4.5KW rating, this unit is designed to provide the massive cranking torque required for large-displacement industrial diesel engines. It is built to withstand the extreme duty cycles, vibrations, and harsh environmental conditions of mining and earthmoving sites.