{"id":102056,"date":"2026-05-21T21:08:01","date_gmt":"2026-05-21T18:08:01","guid":{"rendered":"https:\/\/www.mepratuote.fi\/product\/prm-merivaihde-valitys-1531-2\/"},"modified":"2026-05-21T21:10:52","modified_gmt":"2026-05-21T18:10:52","slug":"prm-merivaihde-valitys-1531-2","status":"publish","type":"product","link":"https:\/\/www.mepratuote.fi\/en\/product\/prm-merivaihde-valitys-1531-2\/","title":{"rendered":"PRM 150 marine gear, gear ratio 1,53:1"},"content":{"rendered":"<p>PRM150 hydraulic Drop-Center marine gearbox for pleasure boats and light professional use with 1,53:1 reduction ratio.<\/p>\n<p><span style=\"font-weight: bold;\">Power duration<\/span><\/p>\n<ul>\n<li>For recreational use: 2.10 hp\/ 100 rpm (1.57 kW\/ 100 rpm). For example, at a maximum engine speed of 3200 rpm, the gearbox is suitable for an engine with a maximum power output of about 67 hp\/50 kW.<\/li>\n<li>Maximum permissible engine speed 4500 rpm (momentarily 5000 rpm)<\/li>\n<\/ul>\n<p><span style=\"font-weight: bold;\">Transmission structure and operation<\/span><\/p>\n<p>The gearbox's symmetrical drive axles and friction clutches, both front and rear, allow the gearbox to be used in forward driving with both right- and left-hand propellers. The gearbox is therefore also ideally suited for twin engine installations.<\/p>\n<p>The hydraulically operated gearbox uses engine oil instead of hydraulic oil and therefore the marine gearbox reacts quickly and smoothly to changes in direction. The aluminium shell of the gearbox is designed to be light but strong.<\/p>\n<p>The turnout is reliable and durable, but in the event of a hydraulic failure, the turnout has a mechanical locking option, allowing the turnout to be driven to port in an emergency.<\/p>\n<p>Weight (dry) 21 kg (does not include SAE adapter plate for engine mounting and traction plate).<\/p>\n<p><span style=\"font-weight: bold;\">Attachment to the engine and outlet flange<\/span><\/p>\n<p>The SAE plate is selected according to the engine mounting and the drive plate according to the mounting plate\/flywheel mounting for each engine. Gearbox output flange size is 4\u2033.  Gearbox price does not include SAE mounting plate, oil heat exchanger, hoses or drive plate. SAE plates below (to be ordered separately).<\/p>\n<table>\n<tbody>\n<tr>\n<th>SAE adapter plates<\/th>\n<th>Size<\/th>\n<th>Dimension A<\/th>\n<th>Dimension B<\/th>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.mepratuote.fi\/product\/adapterilaippa-bw-prm-vaihteelle\/\">MT8083S\/A<\/a><\/td>\n<td>B\/W (Velvet Drive) plate (universal model)<\/td>\n<td>209,55 mm<\/td>\n<td>15,00 mm<\/td>\n<\/tr>\n<tr>\n<td><a href=\"\/product\/sae-4-adapterilaippa-vp2000-sarja\/\">MT4902S\/A<\/a><\/td>\n<td>Volvo SAE4 plate for Volvo Penta 2000 series engines<\/td>\n<td>361,95 mm<\/td>\n<td>19,05 mm<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.mepratuote.fi\/product\/sae-5-adapterilaippa\/\">MT4901S\/A<\/a><\/td>\n<td>SAE5 plate<\/td>\n<td>314,33 mm<\/td>\n<td>16,00 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>In addition to the gearbox, you also need:<\/p>\n<ul>\n<li>oil cooler and hoses (one thread in gear 1\/4\u2033 BSP)<\/li>\n<li>remote control cable to the reverser<\/li>\n<li>drive plate (gear shaft spline DIN 5464 B10X23X29)<\/li>\n<li>SAE mounting plate for engine mounting<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>PRM150 hydraulic marine gearbox with 1,53:1 ratio for recreational and light professional use<\/p>","protected":false},"featured_media":18337,"template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"product_brand":[],"product_cat":[177208,177355],"product_tag":[],"class_list":{"0":"post-102056","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-merivaihteet","7":"product_cat-vaihteistot","9":"first","10":"onbackorder","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"exclude_global_add_ons":[],"addons":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PRM 150D - 1,53:1 merivaihde - Mepratuote venetarvikkeet<\/title>\n<meta name=\"description\" content=\"Venetarvikekauppaa vuodesta 1971 myym\u00e4l\u00e4ss\u00e4 ja verkossa. Kaikki veneen voimansiirron komponentit, akselit, potkurit, huolto-osat, Vetus tuotteet jne.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mepratuote.fi\/en\/product\/prm-merivaihde-valitys-1531-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PRM 150D - 1,53:1 merivaihde\" \/>\n<meta property=\"og:description\" content=\"Venetarvikekauppaa vuodesta 1971 myym\u00e4l\u00e4ss\u00e4 ja verkossa. Kaikki veneen voimansiirron komponentit, akselit, potkurit, huolto-osat, Vetus tuotteet jne.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mepratuote.fi\/en\/product\/prm-merivaihde-valitys-1531-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Mepratuote venetarvikkeet\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/fi-fi.facebook.com\/mepratuote\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-21T18:10:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.mepratuote.fi\/wp-content\/uploads\/placeholder.png\" \/>\n\t<meta property=\"og:image:width\" content=\"200\" \/>\n\t<meta property=\"og:image:height\" content=\"176\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Price\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 487,00&nbsp;&euro;\" \/>\n\t<meta name=\"twitter:label2\" content=\"Availability\" \/>\n\t<meta name=\"twitter:data2\" content=\"On backorder\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.mepratuote.fi\/product\/prm-merivaihde-valitys-1531-2\/\",\"url\":\"https:\/\/www.mepratuote.fi\/product\/prm-merivaihde-valitys-1531-2\/\",\"name\":\"PRM 150D - 1,53:1 merivaihde - Mepratuote venetarvikkeet\",\"isPartOf\":{\"@id\":\"https:\/\/www.mepratuote.fi\/sv\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.mepratuote.fi\/product\/prm-merivaihde-valitys-1531-2\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.mepratuote.fi\/product\/prm-merivaihde-valitys-1531-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.mepratuote.fi\/wp-content\/uploads\/placeholder.png\",\"datePublished\":\"2026-05-21T18:08:01+00:00\",\"dateModified\":\"2026-05-21T18:10:52+00:00\",\"description\":\"Venetarvikekauppaa vuodesta 1971 myym\u00e4l\u00e4ss\u00e4 ja verkossa. 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