R&D Drive Plate For PRM & ZF (10 Teeth Spline, 314.3mm OD, 100 lbft)

22AM91 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 22AM91 Damper Drive Plate is from the R and D High Deflection element range. Common applications for the 22AM91 drive plate include engines which have an SAE 10 flywheel with the 8.1mm (0.32") or 10.6mm (0.416") diameter fixings aperture.

Drive plate 22AM91 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: 314.3mm (12.375") SAE 10
- Back plate fixing holes (multi-hole fixing type): 6 x 8.1mm on 200mm PCD, 6 x 8.1mm on 250mm PCD, 6 x 8.1mm on 269.9mm PCD, 6 x 8.1mm on 273mm PCD and 8 x 10.6mm on 296mm PCD.
- 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.