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Part No: RND-12B4
12B4 Marine Engine Damper Drive Plate from R&D MarineFitted between the boat engine and the gearbox input shaft, a damper drive plate is designed to transmit the engine power to the gearbox,... Read more
12B4 Marine Engine Damper Drive Plate from R&D Marine
Fitted 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.
Also 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.
R and D marine damper plate technical details:
- Spline: 17 teeth 24/48DP (19.7mm diameter) for Newage PRM Delta gearbox.
- Diameter of drive plate back plate which bolts to the engine flywheel: 155.45mm (6.125")
- 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
- Drive plate maximum thickness: 32mm (1.25")
Fitted 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.
Drive plate 12B4 can replace PRM plate MT3064.
If 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.
|Application||PRM Delta Gearbox|
|Country of Origin||United Kingdom|
|Bolt Hole PCD [Pitch Circle Diameter]||5 x 6.35mm holes (0.25") on 142mm PCD (5.593").|
|Diameter||OD: 155.45mm (6-1/8")|
|Gearbox Spline||17 teeth 24/48 DP (19.7mm diameter)|
|Number of Fixing Holes||5|
|Replaces||PRM Drive Plate MT3064|
|Thickness||Maximum: 32mm (1.25")|
|Torque||135 Nm, 100 lbft|
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