Inboard boat engines are a popular choice for many boating enthusiasts due to their reliability, performance, and efficient power delivery. These engines are mounted inside the hull of the boat, typically in the center, providing a low center of gravity that enhances stability and handling. Inboard engines are connected to a driveshaft that runs through the bottom of the hull, turning a propeller located at the stern of the boat. This design allows for smoother and more efficient propulsion, making inboard engines ideal for various marine applications, from leisurely cruising to high-speed water sports.
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1-2 weeks delivery time The Nanni N4.65 with Gearbox TM345A and a reduction ratio of 2.00 is built for high performance and reliability. It provides 59 hp from a 2.434-liter engine, with peak torque reaching 168 Nm at 1800 rpm. The engine's mechanical indirect injection system and turbocharged intake enhance fuel efficiency, and it meets stringent emission standards, ensuring suitability for various marine applications.
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$ 25.473,01
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1-2 weeks delivery time The Nanni N4.65 with Gearbox TM345A and a reduction ratio of 2.47 is ideal for demanding marine environments. With its 59 hp power output, 2.434-liter engine displacement, and mechanical indirect injection, this engine offers reliable operation. Its closed-loop cooling system and turbocharging enhance its performance, while it meets IMO Annex VI and other emission regulations for global compliance.
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$ 25.473,01
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1-2 weeks delivery time The Nanni N4.65 with Gearbox TM345H and a reduction ratio of 2.00 is optimized for marine operations requiring superior performance and durability. This engine offers 59 hp and features a turbocharged intake, mechanical indirect injection fuel system, and a closed cooling circuit. It ensures long-term reliability and efficiency, complying with various emission standards to meet regulatory requirements.
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$ 26.300,58
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1-2 weeks delivery time The Nanni N4.65 with Gearbox TM345H and a reduction ratio of 2.47 is designed for robust marine applications. With the same power output and displacement as other models, it provides exceptional torque and performance in challenging conditions. The mechanical indirect injection and turbocharged air intake system ensure efficiency, while meeting IMO Annex VI and other emissions standards for environmentally friendly operation.
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$ 26.011,38
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1-2 weeks delivery time The Nanni N4.65 Bobtail (HYD) engine, without a gearbox, offers a compact and powerful solution for marine applications. It delivers 59 hp from a 2.434-liter engine and features a mechanical indirect injection system, turbocharging, and closed cooling. The engine is engineered to meet high emission standards, providing reliable, efficient performance for various marine operations.
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$ 21.527,72
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1-2 weeks delivery time The Nanni N4.65 Saildrive SD12 is a marine engine designed for applications requiring a Saildrive configuration. It delivers 59 horsepower with a 4-cylinder, 4-stroke diesel engine that offers fuel efficiency and solid performance. The engine includes a turbocharged air intake, mechanical indirect injection, and a closed cooling system with heat exchanger, making it reliable for marine use. Its emissions meet the IMO Annex VI and RCD 2013/53/EU standards, with a dry weight of 248 kg and a maximum mounting angle of 15° front up/down.
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$ 25.772,64
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1-2 weeks delivery time The Nanni N4.80 with Gearbox ZF25H and Reduction 2.80 is a high-performance marine engine that provides 79 horsepower. It features a turbocharged and intercooled air intake, indirect E-TVCS fuel system, and closed cooling with heat exchanger and air-cooled options. Designed with a 4-cylinder configuration, it meets EPA marine Tier 3 standards and offers efficient fuel consumption. The engine has a dry weight of 275 kg with TMC345A and a reduction ratio of 2.80, making it ideal for various marine applications.
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$ 30.492,62
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1-2 weeks delivery time The Nanni N4.80 with Gearbox ZF25A and Reduction 2.70 is a powerful marine engine that offers 79 horsepower with a 4-cylinder, 4-stroke diesel design. It is turbocharged, intercooled, and features a closed cooling system. The engine meets EPA marine Tier 3 standards, ensuring efficient performance. With a dry weight of 275 kg and a reduction ratio of 2.70, the engine is well-suited for demanding marine environments, providing both power and reliability.
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$ 30.450
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1-2 weeks delivery time The Nanni N4.80 with Gearbox TM345A and Reduction 2.00 is a robust marine engine offering 79 horsepower. Its turbocharged and intercooled system, combined with a closed cooling system, provides high reliability and fuel efficiency. The engine is designed with a 4-cylinder configuration and meets EPA marine Tier 3 standards. With a dry weight of 275 kg and a reduction ratio of 2.00, it is built to handle a variety of marine applications with excellent performance.
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$ 29.306,55
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1-2 weeks delivery time The Nanni N4.80 with Gearbox TM345A and Reduction 2.47 offers a powerful 79 horsepower output, featuring a 4-cylinder, 4-stroke diesel engine. It is equipped with a turbocharged, intercooled air intake and a closed cooling system, ensuring optimal performance. This engine meets EPA marine Tier 3 emission standards and has a dry weight of 275 kg. With a reduction ratio of 2.47, it provides a balance of power and fuel efficiency for various marine applications.
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$ 29.306,55
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1-2 weeks delivery time The Nanni N4.80 with Gearbox TM345H and Reduction 2.00 is a high-performance marine engine, delivering 79 horsepower with a 4-cylinder, 4-stroke diesel configuration. It has a turbocharged and intercooled system, offering excellent fuel efficiency and reliability. The engine meets EPA marine Tier 3 standards and features a closed cooling system with a heat exchanger. With a dry weight of 275 kg and a reduction ratio of 2.00, it is built for versatile marine applications, providing dependable performance.
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$ 29.250,36
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1-2 weeks delivery time The Nanni N4.80 engine, paired with the TM345H gearbox and a reduction ratio of 2.47, offers a powerful and efficient solution for marine applications. It features a 57.4 kW output at the crankshaft, a 2.434 L displacement, and operates at 2700 rpm with a peak torque of 220 Nm at 1800 rpm. With a four-cylinder design, turbocharged and intercooled air intake, and an EPA marine Tier 3 emission standard, this engine is built for durability and performance.
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$ 29.231,72
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1-2 weeks delivery time The Nanni N4.80 Bobtail (HYD) engine provides reliable power for high-performance marine use without a gearbox. It offers a 57.4 kW output at the crankshaft and operates at 2700 rpm, with a peak torque of 220 Nm at 1800 rpm. Designed with four cylinders and a 2.434 L displacement, this engine uses a turbocharged and intercooled air intake system and meets EPA marine Tier 3 emission standards, making it a strong and efficient option for demanding marine environments.
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$ 24.772,37
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1-2 weeks delivery time The Nanni N4.80 Saildrive SD12 engine is designed for reliability and efficiency in marine applications. With a 57.4 kW power output at the crankshaft, it has a displacement of 2.434 L and operates at 2700 rpm. Featuring a turbocharged and intercooled air intake and a peak torque of 220 Nm at 1800 rpm, this engine meets EPA marine Tier 3 emissions standards. It offers durability and robust performance in marine environments, equipped with a 12-volt, 120-amp alternator.
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$ 29.449,99
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1-2 weeks delivery time The Nanni N4.115 engine, paired with the ZF45-1 gearbox and a 2.20 reduction ratio, provides powerful performance for various marine applications. It has a 115 hp output at the crankshaft, with a 3.769 L displacement and a peak torque of 387 Nm at 1600 rpm. This engine operates at 2600 rpm and meets EPA marine Tier 3 emission standards. Built on a Kubota base, it features a turbocharged and intercooled air intake, ensuring both efficiency and durability for marine usage.
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$ 42.692,63
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1-2 weeks delivery time The Nanni N4.115 engine, coupled with the ZF45-1 gearbox and a reduction ratio of 2.51, delivers strong performance and reliability for marine environments. With 115 hp at the crankshaft and a 3.769 L displacement, it offers peak torque of 387 Nm at 1600 rpm. Operating at 2600 rpm, this engine is equipped with a turbocharged, intercooled air intake system and complies with EPA marine Tier 3 emission standards, ensuring robust and efficient operation in demanding conditions.
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$ 42.692,63
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1-2 weeks delivery time The Nanni N4.115 with Gearbox ZF45A and Reduction 2.03 is a high-performance marine engine, offering 115 hp at 2600 rpm. It features a 4-cylinder, 4-stroke diesel configuration with a displacement of 3.769 liters. Turbocharged and intercooled, the engine provides impressive torque and efficiency, with peak torque of 387 Nm at 1600 rpm. It includes a mechanical direct injection fuel system, and its cooling system is closed with a heat exchanger. The engine meets EPA Tier 3 marine emission standards and weighs 378 kg with TMC345A.
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$ 33.689,14
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1-2 weeks delivery time The Nanni N4.115 with Gearbox ZF45A and Reduction 2.44 delivers the same reliable power of 115 hp at 2600 rpm as its counterparts. Designed with a 4-cylinder, 4-stroke diesel engine, it has a displacement of 3.769 liters. Featuring a turbocharged and intercooled air intake and closed cooling system, the engine ensures high efficiency. Its mechanical direct injection system and electronic speed control further optimize performance. This engine adheres to EPA marine Tier 3 emission standards and has a dry weight of 378 kg with TMC345A.
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$ 33.689,14
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1-2 weeks delivery time The Nanni N4.115 with Gearbox TM93 and Reduction 2.09 is designed for marine applications requiring consistent power and reliability. With 115 hp at 2600 rpm, this 4-cylinder, 4-stroke diesel engine offers a displacement of 3.769 liters. Its turbocharged and intercooled system improves power delivery, while the closed cooling with heat exchanger maintains operational efficiency. Featuring a mechanical direct injection fuel system, the engine meets EPA Tier 3 marine emission standards and has a dry weight of 378 kg with TMC345A.
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$ 40.566,86
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1-2 weeks delivery time The Nanni N4.115 Bobtail engine is a compact and reliable option for those in need of a high-performance engine without a gearbox. It provides 115 hp at 2600 rpm, with a 4-cylinder, 4-stroke diesel configuration and a 3.769-liter displacement. Equipped with a turbocharged and intercooled air intake system and a closed cooling system, it ensures smooth operation. The mechanical direct injection system, along with EPA marine Tier 3 emission compliance, makes it a versatile choice. The engine weighs 378 kg with TMC345A.
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$ 29.943,98
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What are the key characteristics of an inboard boat engines compared to other boat engines?
Inboard marine engines are designed for durability and efficiency in marine use, offering a lower center of gravity and improved weight distribution compared to outboard and sterndrive engines. This engines are built on GM production lines strictly for marine use, ensuring reliability and longevity in harsh marine environments.
What factors influence the choice between a diesel and gasoline inboard engine?
The choice between a diesel and gasoline inboard engine depends on factors like fuel efficiency, durability, and maintenance costs. Diesel inboard engines are designed for long-term performance and reliability, offering better fuel economy and a longer lifespan, making them ideal for extended cruising and commercial marine applications. Gasoline inboard motors, on the other hand, provide higher throttle response and lower initial costs, making them a popular choice for recreational boating where speed and affordability matter.
What are the environmental benefits of modern inboard marine engines compared to older models?
Modern inboard marine engines are designed with advanced fuel injection systems and efficient cylinder head configurations, significantly reducing emissions compared to older models. Many replacement engines and remanufactured engine options offer improved fuel efficiency and lower engine noise, contributing to a cleaner marine environment while providing peace of mind for boaters. With advancements in engine package design and drop-in solutions, marine power engines ensure optimal performance while minimizing their environmental footprint in various engine applications.