Steyr Motors GmbH Steyr MO166K28 Marine Propulsion Engine The Steyr Motors GmbH Steyr MO166K28 is a robust, diesel-powered inboard marine engine engineered for reliable propulsion in demanding nautical environments. As a high-performance four-stroke diesel unit, it delivers consistent power for commercial and recreational vessels, ensuring seamless integration into various hull designs for optimal thrust and maneuverability. Key technical specifications underscore its engineering excellence: producing 163 horsepower (119 kW) at the crankshaft, the MO166K28 features a six-cylinder inline configuration with a displacement of 3,200 cm³ (3.2 liters). Its bore and stroke measure 85 mm x 94 mm, optimizing torque delivery and thermal efficiency. Operating on diesel fuel with a maximum speed of 2,600 rpm, this engine employs an advanced closed-two-recompression combustion cycle, promoting low emissions and compliance with stringent marine regulations such as those from the International Maritime Organization (IMO). Tailored for marine-specific benefits, the MO166K28 excels in harsh saltwater conditions through corrosion-resistant materials and a modern closed freshwater cooling system, which prevents ingress of corrosive elements and mitigates overheating risks. Its innovative cylinder design minimizes stress concentration points, while a simplified piston and cylinder arrangement enhances mechanical reliability and reduces failure rates. Low-vibration characteristics further contribute to structural integrity and operator comfort, even during prolonged voyages. Performance-wise, the engine offers high-speed capability with balanced power output, ensuring smooth acceleration and sustained efficiency under load. Fuel-efficient combustion minimizes operational costs, making it ideal for extended offshore operations. This versatile powerhouse suits applications in mid-sized workboats, fishing trawlers, and leisure yachts, where dependable propulsion, durability, and environmental stewardship are paramount. The Steyr MO166K28 embodies precision German engineering, blending cutting-edge technology with proven diesel resilience for superior marine performance. (Word count: 278)