{"id":450998,"date":"2026-08-06T19:48:49","date_gmt":"2026-08-06T17:48:49","guid":{"rendered":"https:\/\/ab-marineservice.com\/?post_type=product&#038;p=450998"},"modified":"2026-08-08T14:12:52","modified_gmt":"2026-08-08T12:12:52","slug":"technodrive-hydraulic-reverse-gear-tm345a-2471-8","status":"publish","type":"product","link":"https:\/\/ab-marineservice.com\/en\/product\/technodrive-hydraulic-reverse-gear-tm345a-2471-8\/","title":{"rendered":"Technodrive hydraulic reverse gear TM345A 2,47:1 8\u00b0"},"content":{"rendered":"<h3>Technodrive hydraulic reverse gear TM345A 2.47:1 8\u00b0<\/h3>\n<p>The Technodrive TM345A247 is a hydraulically operated reverse gear for inboard drive systems. This version has a reduction ratio of 2.47:1 in both forward and reverse and is equipped with an output shaft angle of 8\u00b0.<\/p>\n<p>The reverse gear is suitable for a maximum input speed of 4,500 rpm and has a dry weight of 25 kg. The oil capacity is 1.5 litres. The system operates with a lubrication pressure of 0.5-1.5 bar and an operating pressure of 24 bar.<\/p>\n<p>The TM345A is designed for marine installations where an angled drive line arrangement is required. Thanks to the output shaft angle of 8\u00b0, the reverse gear can be used in various inboard configurations. The maximum permitted torque for pleasure craft applications is 21 kgm.<\/p>\n<h4>Main features and benefits<\/h4>\n<ul>\n<li><strong>Hydraulic operation:<\/strong> For reliable shifting between forward, neutral and reverse.<\/li>\n<li><strong>Reduction ratio 2.47:1:<\/strong> Equal transmission ratio in forward and reverse.<\/li>\n<li><strong>Output shaft angle 8\u00b0:<\/strong> Suitable for installation situations where the drive line is positioned at an angle.<\/li>\n<li><strong>Maximum input speed 4,500 rpm:<\/strong> Suitable for appropriate inboard engine installations.<\/li>\n<li><strong>Operating pressure 24 bar:<\/strong> Ensures stable hydraulic operation.<\/li>\n<li><strong>Oil capacity 1.5 litres:<\/strong> Important for correct lubrication and cooling of the transmission.<\/li>\n<li><strong>Dry weight 25 kg:<\/strong> Compact version for marine installations where weight and installation space are important.<\/li>\n<li><strong>Maximum torque 21 kgm pleasure craft:<\/strong> Suitable for recreational use within the specified load.<\/li>\n<\/ul>\n<h4>Specifications<\/h4>\n<ul>\n<li><strong>Article number:<\/strong> TM345A247<\/li>\n<li><strong>EAN number:<\/strong> 8719182620082<\/li>\n<li><strong>Model:<\/strong> Technodrive TM345A<\/li>\n<li><strong>Forward reduction:<\/strong> R=2.47:1<\/li>\n<li><strong>Reverse reduction:<\/strong> R=2.47:1<\/li>\n<li><strong>Max. input speed:<\/strong> 4,500 rpm<\/li>\n<li><strong>Dry weight:<\/strong> 25 kg<\/li>\n<li><strong>Oil capacity:<\/strong> 1.5 litres<\/li>\n<li><strong>Output shaft angle:<\/strong> 8\u00b0<\/li>\n<li><strong>Lubrication pressure:<\/strong> 0.5-1.5 bar<\/li>\n<li><strong>Operating pressure:<\/strong> 24 bar<\/li>\n<li><strong>Max. torque pleasure craft:<\/strong> 21 kgm<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Technodrive TM345A247 is a hydraulic reverse gear for inboard drive systems. This version has a reduction ratio of 2.47:1 in forward and reverse and an output shaft angle of 8\u00b0. The reverse gear transfers engine power to the propeller shaft in a controlled way and is suitable for marine installations where a compact hydraulic transmission with an angled arrangement is required. This helps prevent slipping, poor shifting, incorrect transmission ratio and damage caused by a worn or unsuitable reverse gear.<\/p>\n<h4>Main features and benefits:<\/h4>\n<p><strong>Hydraulic reverse gear:<\/strong> For inboard drive systems in marine applications<br \/>\n<strong>TM345A version:<\/strong> Compact Technodrive reverse gear with output shaft angle<br \/>\n<strong>Forward reduction 2.47:1:<\/strong> Ensures the correct transmission ratio to the propeller shaft<br \/>\n<strong>Reverse reduction 2.47:1:<\/strong> Equal reduction ratio for reverse operation<br \/>\n<strong>Output shaft angle 8\u00b0:<\/strong> Suitable for installations where an angled drive line arrangement is required<br \/>\n<strong>Maximum input speed 4,500 rpm:<\/strong> Suitable for appropriate marine engines within this specification<br \/>\n<strong>Oil capacity 1.5 litres:<\/strong> For correct lubrication and operation of the hydraulic transmission<br \/>\n<strong>Operating pressure 24 bar:<\/strong> Ensures reliable hydraulic operation<br \/>\n<strong>Maximum torque pleasure craft 21 kgm:<\/strong> Suitable for recreational propulsion applications within the specified load<br \/>\n<strong>Important drive component:<\/strong> Helps prevent shifting problems, drive loss and wear in the propulsion system<\/p>\n","protected":false},"featured_media":450341,"comment_status":"open","ping_status":"closed","template":"","meta":[],"location":[],"product_brand":[],"product_cat":[3456,2585,31314,31360],"product_tag":[],"class_list":["post-450998","product","type-product","status-publish","has-post-thumbnail","product_cat-drives","product_cat-engine-parts","product_cat-technodrive-reverse-gear","product_cat-technodrive-tm345a","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-simple"],"group_of_quantity":0,"min_quantity":0,"max_quantity":"","exclude_order_quantity_value_rules":"no","exclude_category_quantity_rules":"no","combine_variations":"no","locations":[{"id":15420,"name":"Allpa","slug":"allpa","quantity":""}],"_links":{"self":[{"href":"https:\/\/ab-marineservice.com\/en\/wp-json\/wp\/v2\/product\/450998","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ab-marineservice.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ab-marineservice.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ab-marineservice.com\/en\/wp-json\/wp\/v2\/comments?post=450998"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ab-marineservice.com\/en\/wp-json\/wp\/v2\/media\/450341"}],"wp:attachment":[{"href":"https:\/\/ab-marineservice.com\/en\/wp-json\/wp\/v2\/media?parent=450998"}],"wp:term":[{"taxonomy":"location","embeddable":true,"href":"https:\/\/ab-marineservice.com\/en\/wp-json\/wp\/v2\/location?post=450998"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ab-marineservice.com\/en\/wp-json\/wp\/v2\/product_brand?post=450998"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ab-marineservice.com\/en\/wp-json\/wp\/v2\/product_cat?post=450998"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ab-marineservice.com\/en\/wp-json\/wp\/v2\/product_tag?post=450998"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}