{"id":15944,"date":"2024-10-01T11:43:28","date_gmt":"2024-10-01T10:43:28","guid":{"rendered":"https:\/\/dale-sailing.co.uk\/chandlery\/?post_type=product&#038;p=15944"},"modified":"2024-10-10T10:00:32","modified_gmt":"2024-10-10T09:00:32","slug":"yanmar-3jh40-marine-diesel-engine-40hp","status":"publish","type":"product","link":"https:\/\/dale-sailing.co.uk\/chandlery\/product\/yanmar-3jh40-marine-diesel-engine-40hp\/","title":{"rendered":"Yanmar 3JH40 Marine Diesel Engine &#8211; 40hp"},"content":{"rendered":"<p>The <strong>Yanmar 3JH40 Marine Diesel Engine<\/strong> is a state-of-the-art, 3-cylinder, 4-stroke, common rail (CR) direct injection engine designed to deliver <strong>40hp at 3000 rpm<\/strong>. It is the world\u2019s smallest CR inboard marine diesel engine, making it a game-changer for sailors and boaters who need high performance combined with compact design and fuel efficiency. The <strong>3JH40<\/strong> is ideal for sailboats, yachts, and light-duty commercial vessels, offering smooth operation, low emissions, and quiet performance.<\/p>\n<p>This engine uses <strong>common rail direct injection<\/strong> technology, which improves fuel efficiency and reduces emissions while providing exceptional torque and power delivery. The <strong>freshwater cooling system<\/strong> ensures that the engine operates at optimal temperatures, while reducing corrosion for extended engine life. It complies with strict global emission standards such as <strong>EPA Tier 3<\/strong> and <strong>EU RCD Stage II<\/strong>.<\/p>\n<p><strong>Technical Specifications:<\/strong><\/p>\n<ul>\n<li><strong>Engine Model:<\/strong> 3JH40<\/li>\n<li><strong>Engine Type:<\/strong> 3-cylinder, 4-stroke, vertical water-cooled diesel engine<\/li>\n<li><strong>Displacement:<\/strong> 1.642 litres (1642 cc)<\/li>\n<li><strong>Bore x Stroke:<\/strong> 84 mm x 90 mm<\/li>\n<li><strong>Power Output:<\/strong> 40hp (29.4 kW) at 3000 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> 5.1 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, KM4A2, or ZF gearbox<\/li>\n<li><strong>Reduction Ratios:<\/strong> 2.14:1, 2.61:1 (KM35A) or 2.20:1, 3.12:1 (KM4A2)<\/li>\n<li><strong>Exhaust System:<\/strong> Water-cooled, with wet exhaust manifold<\/li>\n<li><strong>Fuel Consumption:<\/strong> Approx. 6.7 litres\/hour at full load<\/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> Enhances fuel efficiency, reduces emissions, and provides superior power output.<\/li>\n<li><strong>Compact Design:<\/strong> Ideal for sailboats and yachts with limited engine compartment space.<\/li>\n<li><strong>Low Emissions:<\/strong> Meets stringent EPA Tier 3 and EU RCD Stage II emission standards.<\/li>\n<li><strong>Freshwater Cooling System:<\/strong> Helps prevent internal corrosion and maintains consistent engine temperatures.<\/li>\n<li><strong>Fuel-Efficient:<\/strong> Lower fuel consumption makes it an environmentally-friendly choice.<\/li>\n<li><strong>Smooth and Quiet Operation:<\/strong> Low vibration and noise levels enhance the comfort of the onboard experience.<\/li>\n<\/ul>\n<p>Yanmar is a world leader in marine diesel engines, known for their durability, fuel efficiency, and advanced technology. The <strong>Yanmar 3JH40<\/strong> is the world\u2019s smallest common rail diesel engine, offering superior performance and compliance with global emission standards.<\/p>\n<p>Yanmar offer three main transmission options for the 3JH40. The <strong>Kanzaki KM35P\/A<\/strong> is a mechanical marine gearbox with hydraulic clutch control, ideal for inboard configurations. The <strong>SD60 SailDrive<\/strong> offers a smooth and efficient drive system, reducing vibration and enhancing performance for sailboats, especially when paired with Yanmar&#8217;s 3JH series engines. Lastly, <strong>bobtail engines<\/strong> are complete engine replacements for both stern drive and inboard applications, including essential systems such as fuel, electrical, cooling, exhaust, and engine mounts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Yanmar 3JH40 Marine Diesel Engine delivers 40hp with common rail direct injection technology, low emissions, and quiet operation. Ideal for small to medium-sized vessels.<br \/>\nAvailable at Dale Sailing.<\/p>\n<p><a href=\"https:\/\/www.yanmar.com\/marine\/product\/engines\/3jh40\/\" 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":15946,"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-15944","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"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Yanmar 3JH40 Marine Diesel Engine - 40hp - Dale Sailing<\/title>\n<meta name=\"description\" content=\"Yanmar 3JH40 Marine Diesel Engine - 40hp, 3-cylinder, common rail direct injection, freshwater-cooled. 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