R&D Drive Plate For PRM (17 Teeth Spline, 352.5mm OD, 350 lbft Torque)

31U5 R & D Marine PRM Gearbox Damper Drive Plate

Fitted between the engine and the PRM 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.

Replaces PRM Drive Plate MT1633.

Also called the Driven Plate, Damper Plate or Clutch Plate, the 31U5 Damper Drive Plate is from the R and D hammer head element range. Common applications for the 31U5 drive plate include marine engines with SAE 11.5" (11½) flywheel fixings.

The technical details:
- Spline: 17 teeth 16/32 DP (28.84mm diameter) for PRM 301, 302, 401, 402, 500 and 750 gearboxes.
- Diameter of back plate which bolts to the engine flywheel: 352.5mm (13.875") SAE 11½"
- Back plate fixing holes: One single set of fixing holes 8 x 10.6mm on 333.4mm pcd SAE 11.5
- Drive plate maximum thickness: 35mm (1.38")

Fitted with the multi-directional 'U' Hammer Head element for up to 475Nm 350 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. The 31U5 damper drive plate is 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.