{"product_id":"r-d-drive-plate-for-prm-601-1000-18-teeth-spline-352-5mm-od-rnd-21r5","title":"R\u0026D Drive Plate For PRM 601 \u0026 1000 (18 Teeth Spline \/ 352.5mm OD)","description":"\u003cp\u003e21R5 R \u0026amp; D Marine Damper Drive Plate\u003c\/p\u003e\u003cp\u003eFitted between the 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 21R5 Damper Drive Plate is from the R and D hammer head element range. Common applications for the 21R5 drive plate includes engines fitted with the PRM 601 or PRM 1000 gearboxes, SAE 11½.\u003c\/p\u003e\u003cp\u003eR\u0026amp;D drive plate technical details:\u003c\/p\u003e\u003cp\u003e- Spline: 18 teeth 12\/24 DP spline (40.5mm diameter) for PRM 601 and PRM 1000 gearboxes\u003c\/p\u003e\u003cp\u003e- Diameter of back plate which bolts to the engine flywheel: 352.5mm (13.875\") SAE 11.5\u003c\/p\u003e\u003cp\u003e- Back plate fixing holes: 8 x 10.6mm on 333.4mm SAE11-1\/2\u003c\/p\u003e\u003cp\u003e- Drive plate maximum thickness: 38.1mm (1.50\")\u003c\/p\u003e\u003cp\u003eFitted with the multi-directional 'L' Hammer Head element for 745 Nm 550 ft lb torque, providing a smaller element diameter which is more torsionally flexible than the loop type elements and provides three stage stiffness with up to 9 degrees of deflection. These damper drive plates are also fail safe.\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\u003eHammer Head\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\u003e8 x 10.6mm on 333.4mm PCD.\u003c\/td\u003e\n                                    \u003c\/tr\u003e\n                                                                    \u003ctr\u003e\n                                        \u003ctd\u003e\u003cstrong\u003eGearbox Spline\u003c\/strong\u003e\u003c\/td\u003e\n                                        \u003ctd\u003e18 teeth 12\/24 DP (40.5mm 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\u003e8\u003c\/td\u003e\n                                    \u003c\/tr\u003e\n                                                                    \u003ctr\u003e\n                                        \u003ctd\u003e\u003cstrong\u003eTorque\u003c\/strong\u003e\u003c\/td\u003e\n                                        \u003ctd\u003e745 Nm, 550 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 Gearboxes: 601, 602 \u0026amp; 1000.\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: 352.5mm (13-7\/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: 38.1mm (1.50\")\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: 21R5\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":57809963712886,"sku":"AQ RND-21R5","price":358.59,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1078\/5560\/files\/awaiting-image_bee22e28-93d3-484a-8a63-0b4818b3090f.jpg?v=1778102645","url":"https:\/\/shop.chastheboat.co.uk\/products\/r-d-drive-plate-for-prm-601-1000-18-teeth-spline-352-5mm-od-rnd-21r5","provider":"ChasNewensMarine","version":"1.0","type":"link"}