Nanni Industries SAS Nanni N4.115 Marine Propulsion Engine The Nanni Industries SAS Nanni N4.115 is a high-performance marine diesel engine engineered for dependable propulsion in recreational and commercial vessels. As a compact, integrated outboard assembly, it optimizes space utilization while delivering seamless power to drive boats through diverse marine environments. Key technical specifications underscore its robust design: delivering 115 horsepower (84 kW) of crankshaft power from a 4-cylinder configuration with a displacement of 3,769 cm³. Turbocharged and intercooled for enhanced air intake efficiency, it achieves a maximum operating speed of 2,600 RPM, ensuring agile acceleration without compromising durability. The M4 marine-certified build adheres to stringent international standards for emissions and reliability, featuring a sleek aerodynamic casing and visible cooling system for effective thermal management and exhaust control. In marine applications, the N4.115 excels with benefits tailored to harsh saltwater conditions. Its turbo-intercooler system boosts combustion efficiency, reducing fuel consumption and extending operational range during long voyages. The modular design facilitates straightforward maintenance, minimizing downtime, while the integrated cooling prevents overheating in turbulent waters or high-load scenarios. This results in superior corrosion resistance and prolonged service life, backed by Nanni’s renowned Italian engineering precision. Performance-wise, the engine provides smooth, vibration-dampened operation with ample low-end torque for confident handling, even in choppy seas or at varying altitudes. Ideal for mid-sized displacement hulls, such as sportfishing yachts, pilot boats, or workboats up to 12 meters, the N4.115 balances power density with efficiency, making it a versatile choice for operators seeking reliable, eco-conscious propulsion without sacrificing maneuverability. (248 words)