{"product_id":"r-d-drive-plate-for-prm-17-teeth-spline-155-45mm-od-100-lb-ft-rnd-12b4","title":"R\u0026D Drive Plate For PRM (17 Teeth Spline, 155.45mm OD, 100 lb ft)","description":"\u003cp\u003e12B4 Marine Engine Damper Drive Plate from R\u0026amp;D Marine\u003c\/p\u003e\u003cp\u003eFitted between the boat engine and the gearbox input shaft, a damper drive plate is designed to transmit the engine power to the gearbox, whilst reducing transmitted gear noise and providing a cushioned drive when selecting gear. All R and D Damper Drive plates include a 'failsafe' design.\u003c\/p\u003e\u003cp\u003eAlso called the Driven Plate, Damper Plate or Clutch Plate, the 12B4 Damper Drive Plate is from the R and D Loop element range. Common applications for the 12B4 drive plate include BMC, Ford and Perkins engines which have a flywheel with the 6.125\" diameter fixings aperture.\u003c\/p\u003e\u003cp\u003eR and D marine damper plate technical details:\u003c\/p\u003e\u003cp\u003e- Spline: 17 teeth 24\/48DP (19.7mm diameter) for Newage PRM Delta gearbox.\u003c\/p\u003e\u003cp\u003e- Diameter of drive plate back plate which bolts to the engine flywheel: 155.45mm (6.125\")\u003c\/p\u003e\u003cp\u003e- Back plate fixing holes: The small back plate has 5 x 6.35mm holes (0.25\") on 142mm PCD (5.593). This was a very common fixing arrangement for BMC, Leyland, Thornycroft and Perkins engines\u003c\/p\u003e\u003cp\u003e- Drive plate maximum thickness: 32mm (1.25\")\u003c\/p\u003e\u003cp\u003eFitted with a type B loop element for 135Nm 100 ft lb torque, which can be mounted either round on the flywheel and rotated in either direction. This drive plate element will provide linear stiffness up to 3 degrees of deflection and is failsafe.\u003c\/p\u003e\u003cp\u003eDrive plate 12B4 can replace PRM plate MT3064.\u003c\/p\u003e\u003cp\u003eIf you are unsure or need any assistance choosing your drive plate please contact our customer support department who will help you find the right parts for your application.\u003c\/p\u003e\u003cdiv class=\"panel-body\"\u003e\n                            \u003ctable class=\"table\"\u003e\n                                \u003ctbody\u003e\n                                                                    \u003ctr\u003e\n                                        \u003ctd\u003e\u003cstrong\u003eElement\u003c\/strong\u003e\u003c\/td\u003e\n                                        \u003ctd\u003eLoop\u003c\/td\u003e\n                                    \u003c\/tr\u003e\n                                                                    \u003ctr\u003e\n                                        \u003ctd\u003e\u003cstrong\u003eBolt Hole PCD Description\u003c\/strong\u003e\u003c\/td\u003e\n                                        \u003ctd\u003e5 x 6.35mm holes (0.25\") on 142mm PCD (5.593\").\u003c\/td\u003e\n                                    \u003c\/tr\u003e\n                                                                    \u003ctr\u003e\n                                        \u003ctd\u003e\u003cstrong\u003eGearbox Spline\u003c\/strong\u003e\u003c\/td\u003e\n                                        \u003ctd\u003e17 teeth 24\/48 DP (19.7mm diameter)\u003c\/td\u003e\n                                    \u003c\/tr\u003e\n                                                                    \u003ctr\u003e\n                                        \u003ctd\u003e\u003cstrong\u003eNumber of Fixing Holes\u003c\/strong\u003e\u003c\/td\u003e\n                                        \u003ctd\u003e5\u003c\/td\u003e\n                                    \u003c\/tr\u003e\n                                                                    \u003ctr\u003e\n                                        \u003ctd\u003e\u003cstrong\u003eReplaces\u003c\/strong\u003e\u003c\/td\u003e\n                                        \u003ctd\u003ePRM Drive Plate MT3064\u003c\/td\u003e\n                                    \u003c\/tr\u003e\n                                                                    \u003ctr\u003e\n                                        \u003ctd\u003e\u003cstrong\u003eTorque\u003c\/strong\u003e\u003c\/td\u003e\n                                        \u003ctd\u003e135 Nm, 100 lbft\u003c\/td\u003e\n                                    \u003c\/tr\u003e\n                                                                    \u003ctr\u003e\n                                        \u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n                                        \u003ctd\u003eR\u0026amp;D Marine\u003c\/td\u003e\n                                    \u003c\/tr\u003e\n                                                                    \u003ctr\u003e\n                                        \u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n                                        \u003ctd\u003ePRM Delta Gearbox\u003c\/td\u003e\n                                    \u003c\/tr\u003e\n                                                                    \u003ctr\u003e\n                                        \u003ctd\u003e\u003cstrong\u003eDiameter Description\u003c\/strong\u003e\u003c\/td\u003e\n                                        \u003ctd\u003eOD: 155.45mm (6-1\/8\")\u003c\/td\u003e\n                                    \u003c\/tr\u003e\n                                                                    \u003ctr\u003e\n                                        \u003ctd\u003e\u003cstrong\u003eThickness\u003c\/strong\u003e\u003c\/td\u003e\n                                        \u003ctd\u003eMaximum: 32mm (1.25\")\u003c\/td\u003e\n                                    \u003c\/tr\u003e\n                                                                    \u003ctr\u003e\n                                        \u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n                                        \u003ctd\u003eUnited Kingdom\u003c\/td\u003e\n                                    \u003c\/tr\u003e\n                                                                \u003c\/tbody\u003e\n                            \u003c\/table\u003e\n                        \u003c\/div\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eManufacturer Part Number: 12B4\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg align=\"right\" src=\"https:\/\/d1blekj7w4kc3j.cloudfront.net\/images\/presets\/product_page_normal\/catalogue\/products\/R-and-D-Marine-Logo_3.jpg\" alt=\"\" title=\"\" width=\"200\"\u003e\u003c\/p\u003e","brand":"R\u0026D Marine","offers":[{"title":"Default Title","offer_id":57809966236022,"sku":"AQ RND-12B4","price":173.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1078\/5560\/files\/rnd-12b4.jpg?v=1778102719","url":"https:\/\/shop.chastheboat.co.uk\/products\/r-d-drive-plate-for-prm-17-teeth-spline-155-45mm-od-100-lb-ft-rnd-12b4","provider":"ChasNewensMarine","version":"1.0","type":"link"}