The SM 5002 is a Premium Grade heavy-duty Self Pinion Assembly designed for high-capacity industrial and commercial diesel engines. Utilizing the robust L.TYPE architecture, this unit features an 11-tooth pinion and a high-torque 3-spline internal configuration (859 AA specification). This "Premium" variant is engineered with enhanced metallurgical properties to handle the extreme cranking demands of Ashok Leyland trucks and Perkins industrial power units, specifically where high-frequency starting is required.
