{"id":15965,"date":"2024-10-01T12:06:11","date_gmt":"2024-10-01T11:06:11","guid":{"rendered":"https:\/\/dale-sailing.co.uk\/chandlery\/?post_type=product&#038;p=15965"},"modified":"2024-10-10T12:06:31","modified_gmt":"2024-10-10T11:06:31","slug":"yanmar-4jh80-marine-diesel-engine-80hp","status":"publish","type":"product","link":"https:\/\/dale-sailing.co.uk\/chandlery\/product\/yanmar-4jh80-marine-diesel-engine-80hp\/","title":{"rendered":"Yanmar 4JH80 Marine Diesel Engine &#8211; 80hp"},"content":{"rendered":"<p>The <strong>Yanmar 4JH80 Marine Diesel Engine<\/strong> is a high-powered, 4-cylinder, 4-stroke marine engine that delivers <strong>80hp at 3200 rpm<\/strong>. Built for sailboats, yachts, and light-duty commercial vessels, the 4JH80 is part of Yanmar\u2019s advanced <strong>JH-series<\/strong> engines, featuring <strong>common rail direct injection (CR)<\/strong> technology. This engine delivers superior power, fuel efficiency, and lower emissions, making it ideal for environmentally-conscious boaters.<\/p>\n<p>The <strong>4JH80<\/strong> is equipped with <strong>common rail fuel injection<\/strong>, which ensures precise fuel delivery, improving combustion efficiency and reducing exhaust emissions. The engine also features a <strong>freshwater cooling system<\/strong> via a heat exchanger, ensuring stable engine temperatures and corrosion protection for long-term durability. Compact in size, the 4JH80 is suitable for installation in a variety of boats with tight engine compartments.<\/p>\n<p>Compliant with strict environmental standards such as <strong>EPA Tier 3<\/strong> and <strong>EU RCD Stage II<\/strong>, the Yanmar 4JH80 is a robust, fuel-efficient choice for those seeking reliability, performance, and reduced emissions in their marine engine.<\/p>\n<p><strong>Technical Specifications:<\/strong><\/p>\n<ul>\n<li><strong>Engine Model:<\/strong> 4JH80<\/li>\n<li><strong>Engine Type:<\/strong> 4-cylinder, 4-stroke, vertical water-cooled diesel engine<\/li>\n<li><strong>Displacement:<\/strong> 2.2 litres (2190 cc)<\/li>\n<li><strong>Bore x Stroke:<\/strong> 84 mm x 90 mm<\/li>\n<li><strong>Power Output:<\/strong> 80hp (58.8 kW) at 3200 rpm<\/li>\n<li><strong>Compression Ratio:<\/strong> 18.9:1<\/li>\n<li><strong>Fuel System:<\/strong> Common rail direct injection (CR)<\/li>\n<li><strong>Cooling System:<\/strong> Freshwater cooling with heat exchanger<\/li>\n<li><strong>Alternator Output:<\/strong> 12V &#8211; 125A<\/li>\n<li><strong>Lubrication System:<\/strong> Forced lubrication by gear pump<\/li>\n<li><strong>Oil Capacity:<\/strong> 7.4 litres<\/li>\n<li><strong>Starting System:<\/strong> Electric start<\/li>\n<li><strong>Direction of Rotation:<\/strong> Counterclockwise (viewed from flywheel)<\/li>\n<li><strong>Weight:<\/strong> 192 kg (without gearbox)<\/li>\n<li><strong>Gearbox Options:<\/strong> KM35A, KMH4A (mechanical or hydraulic)<\/li>\n<li><strong>Reduction Ratios:<\/strong> 2.14:1, 2.61:1 (KM35A) or 2.20:1, 3.12:1 (KMH4A)<\/li>\n<li><strong>Exhaust System:<\/strong> Water-cooled, with wet exhaust manifold<\/li>\n<li><strong>Fuel Consumption:<\/strong> Approx. 8.0 litres\/hour at cruising speed<\/li>\n<li><strong>Emission Compliance:<\/strong> EPA Tier 3, EU RCD Stage II<\/li>\n<\/ul>\n<p><strong>Key Features:<\/strong><\/p>\n<ul>\n<li><strong>Common Rail Direct Injection (CR):<\/strong> Provides better fuel efficiency, lower emissions, and higher performance.<\/li>\n<li><strong>Freshwater Cooling System:<\/strong> Prevents internal corrosion and maintains optimal engine temperature.<\/li>\n<li><strong>Low Noise and Vibration:<\/strong> Ensures smooth, quiet engine operation for enhanced onboard comfort.<\/li>\n<li><strong>Compact Design:<\/strong> Fits easily into small engine compartments, ideal for a wide range of vessels.<\/li>\n<li><strong>Fuel Efficiency:<\/strong> Reduces operating costs with lower fuel consumption at cruising speeds.<\/li>\n<li><strong>Environmental Compliance:<\/strong> Meets stringent EPA Tier 3 and EU RCD Stage II emission standards.<\/li>\n<\/ul>\n<p>Yanmar is a leading manufacturer of marine diesel engines, known for their commitment to reliability, fuel efficiency, and environmental sustainability. The <strong>Yanmar 4JH80<\/strong> is part of the innovative <strong>JH series<\/strong>, offering advanced common rail technology to meet modern performance and environmental needs.<\/p>\n<p>Yanmar provides a range of transmission options tailored to different marine applications. The <strong>KM4A-2<\/strong> is a mechanical transmission featuring a servo cone clutch and multiple gear ratios, making it a reliable choice for sailboats. The <strong>KMH4A<\/strong> offers hydraulic control for smooth shifting, ideal for inboard engines in larger vessels. Additionally, the <strong>ZF25A<\/strong> and <strong>ZF30M<\/strong> are high-performance mechanical gearboxes used in both recreational and light commercial marine applications, ensuring durability and precision. For sailboats, the <strong>SD60 SailDrive<\/strong> provides smooth, low-vibration propulsion and is compatible with most Yanmar engines, except for the 4JH110. Lastly, <strong>bobtail engines<\/strong> are fully assembled replacements for existing inboard and stern drive engines, complete with fuel, electrical, cooling, exhaust, and engine mounts, making them a comprehensive solution for repowering boats.<\/p>\n<p>These transmission and engine options provide a wide range of solutions for both sailing and motorised vessels\u200b<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Yanmar 4JH80 Marine Diesel Engine delivers 80hp with common rail technology, freshwater cooling, and low emissions. Perfect for sailboats, yachts, and commercial vessels.<br \/>\nAvailable at Dale Sailing.<\/p>\n<p><a href=\"https:\/\/www.yanmar.com\/marine\/product\/engines\/4jh80\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-14968 size-thumbnail\" src=\"https:\/\/dale-sailing.co.uk\/chandlery\/wp-content\/uploads\/2024\/07\/Yanmar-Logo-150x150.png\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><\/p>\n","protected":false},"featured_media":15953,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[2398],"product_tag":[1719],"class_list":["post-15965","product","type-product","status-publish","has-post-thumbnail","product_cat-inboard-engines-engine-propulsion","product_tag-yanmar","first","instock","taxable","shipping-taxable","purchasable","product-type-variable","has-default-attributes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Yanmar 4JH80 Marine Diesel Engine - 80hp - Dale Sailing<\/title>\n<meta name=\"description\" content=\"Yanmar 4JH80 Marine Diesel Engine - 80hp, 4-cylinder, common rail direct injection engine with freshwater cooling. 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