{"id":4587,"date":"2026-09-08T14:07:38","date_gmt":"2026-09-08T14:07:38","guid":{"rendered":"https:\/\/passionwebs.com\/elite-engines\/product\/volvo-penta-d1-20-inboard-marine-diesel-engine-18hp\/"},"modified":"2026-09-08T16:50:08","modified_gmt":"2026-09-08T16:50:08","slug":"volvo-penta-d1-20-inboard-marine-diesel-engine-18hp","status":"publish","type":"product","link":"https:\/\/passionwebs.com\/elite-engines\/product\/volvo-penta-d1-20-inboard-marine-diesel-engine-18hp\/","title":{"rendered":"Volvo Penta D1-20 Inboard marine diesel engine 18hp"},"content":{"rendered":"<h2>Description<\/h2>\n<div class=\"col-md-8\">\n<p>Volvo Penta D1-20 is an in-line 3-cylinder, 0.8-liter, naturally aspirated diesel engine using a camdriven, in-line injection pump, and freshwater cooling. With low cruising rpm, the engine runs quietly with minimal vibrations.<\/p>\n<h4>COMFORT<\/h4>\n<p>Smooth running with low vibration levels is achieved through a dynamically-balanced design incorporating highly efficient rubber isolation. Lower engine speed together with an inlet air silencer reduce noise levels and contribute to increased onboard comfort.<\/p>\n<h4>MARINE TORQUE<\/h4>\n<p>This engine delivers high torque at low rpm. That means plenty of power and quick response when maneuvering in a marina, in strong head wind, and in confined spaces.<\/p>\n<h4>SOLID AND ROBUST ENGINE<\/h4>\n<p>With a rigid engine block and a one-piece cylinder head, this Volvo Penta marine diesel engine is designed and built to be immensely strong. This gives excellent reliability and long service life.<\/p>\n<h4>EFFICIENT CHARGING<\/h4>\n<p>High-capacity charging is standard. The 115A alternator has an electronic sensor which enables ahigher battery capacity. Even at idle speed, the alternator gives more than 35A, and at cruising speed it delivers approx. 100A.<\/p>\n<h4>FRESHWATER COOLING<\/h4>\n<p>The engine is fitted with freshwater cooling as standard. This reduces internal corrosion and enables the engine to maintain a consistent and optimal working temperature under all conditions.<\/p>\n<h4>LONG SERVICE LIFE<\/h4>\n<p>A propulsion system from Volvo Penta is easy to maintain. Our comprehensive range of high-quality oil, lubrication and coolant ensures uptime and top performance in the long term. Accessories include a fuel pre-filter to keep the engine in good condition.<\/p>\n<h4>TECHNICAL FEATURES<\/h4>\n<p>\u2013 115A alternator with built-in charging sensor \u2013 Electronic Vessel Control instrumentation and NMEA interface \u2013 Dedicated oil change pipe<br \/>\n\u2013 Relay-activated starter solenoid \u2013 Freshwater cooling is standard \u2013 High-capacity hot water outlet<\/p>\n<div class=\"col-md-8\">\n<div id=\"MainContent_ProductDetails1_productspecs\" class=\"productspecs\"><\/div>\n<\/div>\n<\/div>\n<div class=\"col-md-4\">\n<div id=\"MainContent_ProductDetails1_ContentProductAds_productad\" class=\"productads\">\n<table>\n<thead>\n<tr>\n<th><strong>Technical Specification<\/strong><\/th>\n<th><strong>Value<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Engine designation<\/strong><\/td>\n<td>D1-20<\/td>\n<\/tr>\n<tr>\n<td><strong>Crankshaft power, kW (hp)<\/strong><\/td>\n<td>13.8 (18.8)<\/td>\n<\/tr>\n<tr>\n<td><strong>Propeller shaft power, kW (hp)<\/strong><\/td>\n<td>13.3 (18)<\/td>\n<\/tr>\n<tr>\n<td><strong>Engine speed, rpm<\/strong><\/td>\n<td>2800\u20133600<\/td>\n<\/tr>\n<tr>\n<td><strong>Displacement, l (in\u00b3)<\/strong><\/td>\n<td>0.76 (46.5)<\/td>\n<\/tr>\n<tr>\n<td><strong>Number of cylinders<\/strong><\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td><strong>Bore \/ stroke, mm (in)<\/strong><\/td>\n<td>67 \/ 72 (2.64 \/ 2.83)<\/td>\n<\/tr>\n<tr>\n<td><strong>Compression ratio<\/strong><\/td>\n<td>23.5:1<\/td>\n<\/tr>\n<tr>\n<td><strong>Emission compliance<\/strong><\/td>\n<td>BSO II, EU RCD Stage II, EPA Tier 3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Description Volvo Penta D1-20 is an in-line 3-cylinder, 0.8-liter, naturally aspirated diesel engine using a camdriven, in-line injection pump, and freshwater cooling. With low cruising rpm, the engine runs quietly with minimal vibrations. COMFORT Smooth running with low vibration levels is achieved through a dynamically-balanced design incorporating highly efficient rubber isolation. Lower engine speed together with an inlet air silencer reduce noise levels and contribute to increased onboard comfort. MARINE TORQUE This engine delivers high torque at low rpm. That means plenty of power and quick response when maneuvering in a marina, in strong head wind, and in confined spaces. SOLID AND ROBUST ENGINE With a rigid engine block and a one-piece cylinder head, this Volvo Penta marine diesel engine is designed and built to be immensely strong. This gives excellent reliability and long service life. EFFICIENT CHARGING High-capacity charging is standard. The 115A alternator has an electronic sensor which enables ahigher battery capacity. Even at idle speed, the alternator gives more than 35A, and at cruising speed it delivers approx. 100A. FRESHWATER COOLING The engine is fitted with freshwater cooling as standard. This reduces internal corrosion and enables the engine to maintain a consistent and optimal working temperature under all conditions. LONG SERVICE LIFE A propulsion system from Volvo Penta is easy to maintain. Our comprehensive range of high-quality oil, lubrication and coolant ensures uptime and top performance in the long term. Accessories include a fuel pre-filter to keep the engine in good condition. TECHNICAL FEATURES \u2013 115A alternator with built-in charging sensor \u2013 Electronic Vessel Control instrumentation and NMEA interface \u2013 Dedicated oil change pipe \u2013 Relay-activated starter solenoid \u2013 Freshwater cooling is standard \u2013 High-capacity hot water outlet Technical Specification Value Engine designation D1-20 Crankshaft power, kW (hp) 13.8 (18.8) Propeller shaft power, kW (hp) 13.3 (18) Engine speed, rpm 2800\u20133600 Displacement, l (in\u00b3) 0.76 (46.5) Number of cylinders 3 Bore \/ stroke, mm (in) 67 \/ 72 (2.64 \/ 2.83) Compression ratio 23.5:1 Emission compliance BSO II, EU RCD Stage II, EPA Tier 3<\/p>\n","protected":false},"featured_media":4588,"comment_status":"closed","ping_status":"open","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[67,62],"product_tag":[],"class_list":["post-4587","product","type-product","status-publish","has-post-thumbnail","product_cat-volvo-penta-d1-series","product_cat-volvo-penta-marine-engines","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/product\/4587","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/comments?post=4587"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/media\/4588"}],"wp:attachment":[{"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/media?parent=4587"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/product_brand?post=4587"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/product_cat?post=4587"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/product_tag?post=4587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}