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R and D Marine Damper Drive Plate 49AD5
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R&D Drive Plate | 17 Teeth Spline | PRM 500 | 352.5mm Diameter

Part No. RND-49AD5

£188.05 You pay £188.05 Incl VAT You pay £156.71 Excl VAT

RRP £203.30 £169.42

Save £15.25 (7.5%) Save £12.71 (7.5%)


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Brand R&D Marine
Country of Origin United Kingdom
Element High Deflection
Gearbox Model PRM 301, PRM 302, PRM 401, PRM 402, PRM 500, PRM 750
Suitability PRM Gearboxes: 301, 302, 401, 402, 500 & 750.
Gearbox Spline 17 teeth 16/32 DP (28.84mm diameter)
Diameter OD: 352.5mm (13.875")
Torque 670 Nm, 500 lbft
Bolt Hole PCD (Pitch Circle Diameter) 8 x 10.6mm on 333.375mm (13.125") PCD.
Number of Fixing Holes 8
Thickness Maximum: 36mm (1.41")

49AD5 R & D Marine Damper Drive Plate

Fitted 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.

Also called the Driven Plate, Damper Plate or Clutch Plate, this Damper Drive Plate is from the R and D range. Common applications for this drive plate include SAE 11.5 flywheels mated to PRM301, PRM302, PRM401, PRM402, PRM500 & PRM750 gearboxes.

The technical details:
Spline: 17 teeth 16/32 DP (28.84mm diameter) for PRM 301 & 302, PRM 401 & 402 and PRM 500 & 750 gearboxes
Diameter of the back plate which bolts to the engine flywheel: 352.5mm (13.875")
Back plate fixing holes: 8 x 10.6mm on 333.375mm (13.125") pcd SAE11 1/2
Maximum thickness of drive plate: 36mm (1.41")
Fitted with the softer type AD high deflection element for 670Nm 500 ftlb torque, providing a maximum deflection up to 30 degrees. This type of plate is especially suited to workboats with slow speed applications & pleasure boats. Note that this type of damper drive plate can only be fitted to rotate in the standard direction of rotation (anti-clockwise when looking at the flywheel) with the element facing the gearbox. The 49AD5 damper plates are also failsafe.

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