The Sisu Diesel Fortius Series Engines are robust internal combustion engines engineered for demanding industrial applications, agricultural machinery, and construction equipment. These diesel engines are designed for reliability and performance, incorporating advanced technologies such as Common Rail Direct Injection and sophisticated emission control systems to meet stringent environmental standards. Their versatile design allows for various configurations, offering adaptable power and torque outputs to suit a wide range of operational needs.

This workshop manual provides comprehensive guidance for the maintenance, repair, and technical understanding of the Sisu Diesel Fortius Series Engines. It covers essential areas including detailed specifications, recommended service intervals, lubrication and cooling system requirements, and air intake and exhaust system maintenance. The manual is an indispensable resource for owners, mechanics, and technicians, offering the necessary information to ensure optimal engine performance, longevity, and proper operation.