The SM 4917 is a heavy-duty Starter Drive (Self Drive) designed for high-torque industrial and commercial applications. Utilizing the refined DEN.TYPE (Denso-style) architecture, this unit features a robust 10-tooth pinion. It is precision-engineered for the dual-application requirements of DCM Toyota light commercial vehicles and the Komatsu PC200 series excavators, ensuring a reliable start for both transport and heavy earthmoving machinery.