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Part No: RND-22AM4
22AM4 Boat 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, whilst... Read more
22AM4 Boat 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 22AM4 Damper Drive Plate is from the R and D High Deflection element range. Common applications for the 22AM4 drive plate include BMC, Ford and Perkins engines which have a flywheel with the 6.125" diameter fixings aperture.
Drive plate 22AM4 can replace PRM drive plate MT4907 and R&D drive plate 22AA4.
Clutch plate technical details:
- Spline: 10 teeth B10 x 23 x 29 DIN 5464 (29mm diameter) for PRM 80, 120 & 150 gearboxes, Hurth ZF & HBW, Technodrive TMC 30, 40, 50, 60 gearboxes and the Borgwarner 500
- 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 the softer type AM high deflection 'finger type' element for 135Nm 100 ft lb torque, providing a maximum deflection up to 30 degrees. This type of drive 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 drive plate element facing the gearbox. These damper plates are also failsafe.
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||BMC, Ford and Perkins engines which have a flywheel with the 6.125" diameter fixings aperture. PRM 80, 90, 100, 101, 120, 125, 140, 160 & 260 gearbox, ZF 10 & 12 gearbox, Hurth HBW 5, 10, 15, 50 & 125 gearboxes, Technodrive TMC 30, 40, 50 & 60 gearboxes & Borgwarner 500.|
|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||10 teeth B10 x 23 x 29 DIN 5464 (29mm diameter)|
|Number of Fixing Holes||5|
|Replaces||R&D 22AA4 & PRM MT4907 Drive Plates|
|Thickness||Maximum: 32mm (1.25")|
|Torque||135 Nm, 100 lbft|
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