The SM 1402 is an ultra-heavy-duty Self Starter Rocker Assembly (Brush Holder) specifically engineered for Nikko 5.5KW starter motors. This assembly is designed to handle the extreme electrical demands of high-capacity industrial diesel engines found in heavy earthmovers, large generators, and marine applications. Featuring a reinforced 4-brush system, it ensures maximum torque delivery for cranking engines in the most grueling environments.