The SM 5009 is a heavy-duty Self Pinion Assembly specifically engineered for the Ashok Leyland Hino engine series. Utilizing the robust L.TYPE architecture, this unit features an 11-tooth pinion and a high-torque 3-spline internal configuration (859 AD specification). It is precision-calibrated for the high-efficiency starters used to crank Hino-series engines in modern trucks and buses, ensuring reliable ignition in demanding commercial environments.