{"product_id":"yanmar-3ym30-marine-diesel-engine-29hp-sailboat-power","title":"Yanmar 3YM30 Marine Diesel Engine | 29hp Sailboat Power","description":"\u003ch1\u003e\u003cstrong\u003eYanmar 3YM30 Marine Diesel Engine: Efficient 29hp Performance\u003c\/strong\u003e\u003c\/h1\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cem\u003eModern, Quiet, and Fuel-Efficient Power for Mid-Size Sailing Yachts\u003c\/em\u003e\u003c\/p\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003e Introduction\u003c\/strong\u003e\u003c\/h3\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThe \u003cstrong\u003eYanmar 3YM30 marine diesel engine\u003c\/strong\u003e represents the pinnacle of modern compact diesel engineering, offering sailors a perfect blend of power, efficiency, and smooth operation. At Wave Inboard Motors, we are certified Yanmar installers, and our mechanics have extensive hands-on \u003cstrong\u003eexperience\u003c\/strong\u003e installing and servicing the 3YM series. This \u003cstrong\u003e29hp marine diesel engine\u003c\/strong\u003e is the heart of countless mid-size sailboats and powerboats, trusted for its advanced design and unwavering reliability.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eEngineered as the ideal \u003cstrong\u003esailing yacht repower\u003c\/strong\u003e solution for vessels from 32 to 38 feet, the 3YM30 delivers ample power for propulsion and high-output alternators to meet modern electrical demands. Its common-rail injection system (on later AE models) ensures exceptional \u003cstrong\u003efuel efficiency\u003c\/strong\u003e and cleaner emissions, making it a smarter, more environmentally conscious choice than older generations. When you choose a new or professionally remanufactured \u003cstrong\u003eYanmar 3YM30 for sale\u003c\/strong\u003e, you’re investing in decades of advanced marine technology.\u003c\/p\u003e \u003cp class=\"ds-markdown-paragraph\"\u003eThis page will detail its superior technical specifications, show how it outperforms older models, and help you understand why it is the definitive choice for boat owners seeking a \u003cstrong\u003emodern marine diesel\u003c\/strong\u003e solution.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003eTechnical Specifications Table\u003c\/strong\u003e\u003c\/h3\u003e \u003cdiv class=\"markdown-table-wrapper\"\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eSpecification\u003c\/th\u003e \u003cth\u003eDetail\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eYanmar 3YM30\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e3-Cylinder, 4-stroke, water-cooled diesel\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDisplacement\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e1.642 L (1642 cc)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMax Output\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e29 HP (21.6 kW) @ 3600 RPM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eBore x Stroke\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e75 mm x 84.2 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCompression Ratio\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e18.5:1\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCooling System\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHeat Exchanger (Closed-Cooling)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eStarting System\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e12V Electric Start\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eAlternator Output\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e12V – 55A (115A optional)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDry Weight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e143 kg (315 lbs)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eDimensions (LxWxH)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eApprox. 755mm x 592mm x 592mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eGear Ratio\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e2.62:1 (Standard on KM2A Gear)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003eCompetitor Comparison Table\u003c\/strong\u003e\u003c\/h3\u003e \u003cdiv class=\"markdown-table-wrapper\"\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eFeature\u003c\/th\u003e \u003cth\u003e\u003cstrong\u003eYanmar 3YM30 (Modern Diesel)\u003c\/strong\u003e\u003c\/th\u003e \u003cth\u003e\u003cstrong\u003eUniversal M-25XPB (Older Diesel)\u003c\/strong\u003e\u003c\/th\u003e \u003cth\u003e\u003cstrong\u003eVolvo Penta D1-30 (Contemporary)\u003c\/strong\u003e\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e3-Cylinder, Modern Electronic\u003c\/td\u003e \u003ctd\u003e3-Cylinder, Mechanical\u003c\/td\u003e \u003ctd\u003e3-Cylinder, Electronic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePower (HP)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e29 HP @ 3600 RPM\u003c\/td\u003e \u003ctd\u003e23 HP @ 3000 RPM\u003c\/td\u003e \u003ctd\u003e27 HP @ 3500 RPM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eFuel Efficiency\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eExcellent\u003c\/strong\u003e (Advanced Injection)\u003c\/td\u003e \u003ctd\u003eGood\u003c\/td\u003e \u003ctd\u003eVery Good\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e315 lbs (143 kg)\u003c\/td\u003e \u003ctd\u003e330 lbs (150 kg)\u003c\/td\u003e \u003ctd\u003e309 lbs (140 kg)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eReliability\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eExceptional\u003c\/strong\u003e (Proven YM Series)\u003c\/td\u003e \u003ctd\u003eGood (Older Design)\u003c\/td\u003e \u003ctd\u003eGood (Electronic part complexity)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eParts Availability\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\n\u003cstrong\u003eExcellent\u003c\/strong\u003e (Current Production, Global Support)\u003c\/td\u003e \u003ctd\u003eFair (Some parts becoming scarce)\u003c\/td\u003e \u003ctd\u003eGood (Strong dealer network)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eVerdict:\u003c\/strong\u003e The Yanmar 3YM30 stands out as the most powerful and refined option in its class. It delivers more horsepower and more advanced features than the older Universal engine and outperforms its direct contemporary competitor, the Volvo Penta D1-30, in both power output and overall parts and service network strength. Its modern design prioritizes smooth operation, efficiency, and ease of servicing.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003e Replacement Options Table\u003c\/strong\u003e\u003c\/h3\u003e \u003cdiv class=\"markdown-table-wrapper\"\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003eConsideration\u003c\/th\u003e \u003cth\u003e\u003cstrong\u003eRebuild Older Engine (e.g., Universal M-25)\u003c\/strong\u003e\u003c\/th\u003e \u003cth\u003e\u003cstrong\u003eInstall Remanufactured 3YM30\u003c\/strong\u003e\u003c\/th\u003e \u003cth\u003e\u003cstrong\u003eInstall Brand New 3YM30\u003c\/strong\u003e\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eUnknown longevity, outdated technology\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eLike-new, zero hours, updated components\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003ePerfect, factory-fresh with latest updates\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eNone (on rebuild itself)\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eFull 1-Year Parts \u0026amp; Labor Warranty\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eFull Yanmar Factory Warranty (2-3 Years)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOriginal (e.g., 23HP)\u003c\/td\u003e \u003ctd\u003eFull 29HP\u003c\/td\u003e \u003ctd\u003eFull 29HP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eNoise\/Vibration\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHigh (older 3-cyl design)\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eLow (Modern, balanced design)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eLowest\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eTotal Project Value\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eLowest (Investing in old tech)\u003c\/td\u003e \u003ctd\u003e\u003cstrong\u003eHigh (Best value for performance)\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHighest (Peak performance \u0026amp; warranty)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/xfactorsmotorsports.com\/product-category\/inboard-and-sterndrives-inboard-diesel-engines\/\"\u003eExpert Recommendation\u003c\/a\u003e:\u003c\/strong\u003e For most owners looking to repower, a \u003cstrong\u003ebrand new Yanmar 3YM30\u003c\/strong\u003e is the ultimate investment if the budget allows, providing the latest technology and the strongest warranty. However, a \u003cstrong\u003eprofessionally remanufactured 3YM30\u003c\/strong\u003e offers phenomenal value, delivering nearly identical performance and a robust installer warranty at a significantly lower cost. We rarely recommend investing heavily in rebuilding an older, less efficient engine model when modern replacements offer such dramatic improvements in performance and reliability.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003e\u003cstrong\u003e Pros and Cons Table\u003c\/strong\u003e\u003c\/h3\u003e \u003cdiv class=\"markdown-table-wrapper\"\u003e \u003ctable\u003e \u003cthead\u003e \u003ctr\u003e \u003cth\u003ePros\u003c\/th\u003e \u003cth\u003eCons\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eModern, Fuel-Efficient Design\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eHigher initial cost than older models\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSmooth \u0026amp; Quiet 3-Cylinder Operation\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eRequires a knowledgeable Yanmar technician for complex issues\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eAmple Power \u0026amp; High-Output Alternator Options\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eModern electronics can be sensitive to poor installation (corrosion, voltage spikes)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eExcellent Parts \u0026amp; Service Support Worldwide\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eHeat Exchanger Cooling for longevity\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003chr\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eLink to Our Core Service Pages:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e“Ensure optimal performance and warranty compliance with our certified \u003cstrong\u003e【\u003ca href=\"https:\/\/waveinboardmotors.com\/yanmar-engine-installation-services\/\"\u003eYanmar Engine Installation Services\u003c\/a\u003e】\u003c\/strong\u003e.”\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e“Protect your investment with our tailored \u003cstrong\u003e【\u003ca href=\"https:\/\/waveinboardmotors.com\/annual-marine-engine-maintenance\/\"\u003eAnnual Marine Engine Maintenance\u003c\/a\u003e】\u003c\/strong\u003e plans.”\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e“Our experts can manage your entire \u003cstrong\u003e【Sailing Yacht Repower Project】\u003c\/strong\u003e from start to finish.”\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e“We provide genuine \u003cstrong\u003e【Yanmar Marine Engine Parts】\u003c\/strong\u003e and filters for all your service needs.”\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003eLink to Informational Blog Posts:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e“Is it the right time? Learn the \u003cstrong\u003e【5 Signs You Need a Marine Engine Repower】\u003c\/strong\u003e.”\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e“Understand the benefits in our guide \u003cstrong\u003e【Modern Diesel vs. Older Marine Engines: A Comparison】\u003c\/strong\u003e.”\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e“Planning your project? We break down the \u003cstrong\u003e【Costs of Repowering a Sailboat】\u003c\/strong\u003e.”\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp class=\"ds-markdown-paragraph\"\u003e“Maximize your investment by \u003cstrong\u003e【Choosing the Right HP for Your Sailboat Repower】\u003c\/strong\u003e.”\u003c\/p\u003e \u003cul\u003e \u003cli data-start=\"5666\" data-end=\"5724\"\u003e \u003cp data-start=\"5668\" data-end=\"5724\"\u003e【How to Choose the Right Yanmar Engine for Your Yacht】\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"5725\" data-end=\"5782\"\u003e \u003cp data-start=\"5727\" data-end=\"5782\"\u003e【Yanmar 2YM vs 3YM Series: Which Fits Your Sailboat?】\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"5783\" data-end=\"5834\"\u003e \u003cp data-start=\"5785\" data-end=\"5834\"\u003e【Signs It’s Time to Repower Your Marine Engine】\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"5835\" data-end=\"5883\"\u003e \u003cp data-start=\"5837\" data-end=\"5883\"\u003e【Best Diesel Engines for 30–40 ft Sailboats】\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003c\/ul\u003e","brand":"TITANPARTHUB","offers":[{"title":"Default Title","offer_id":52160962592999,"sku":null,"price":10552.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/7806\/3335\/files\/adea25e4-Yanmar-3YM30.jpg?v=1780566419","url":"https:\/\/titanparthub.com\/products\/yanmar-3ym30-marine-diesel-engine-29hp-sailboat-power","provider":"TITANPARTHUB","version":"1.0","type":"link"}