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R and D Marine PRM Damper Drive Plate 45AG69
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R&D Drive Plate (10 Teeth Spline, PRM, 287.4mm OD, 200 lb ft Torque)

Part No. RND-45AG69

Please Note: This R&D drive plate has been discontinued, please choose an alternative drive plate.

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Brand R&D Marine
Country of Origin United Kingdom
Element High Deflection
Gearbox Model PRM 100, PRM 101, PRM 140, PRM 160, PRM 260, PRM 280
Suitability PRM Gearboxes: 100, 101, 140, 160, 260 & 280.
Gearbox Spline 10 teeth SAE 1" x 10T (25.4mm diameter)
Diameter OD: 287.4mm (11.312")
Torque 270 Nm, 200 lbft
Bolt Hole PCD (Pitch Circle Diameter) 6 x 9.1 on 269.96mm PCD & 6 x 6.3mm on 269.96mm PCD.
Number of Fixing Holes 6
Thickness Maximum: 35mm (1.38")

PRM Part Number: 45AG69

The R & D Marine gearbox damper drive plate is 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, gearbox drive plate or clutch plate, the 45AG69 damper drive plate is from the R and D high deflection element range.

Common applications for the 45AG69 gearbox drive plate include Trans Auto & TAMD 40 engines mated to gearbox models PRM160 & PRM260, subject to flywheel dimensions and engine power. The 45AG69 is a replacement for the 45AG94

R & D damper drive plate technical details:

  • Spline: SAE 1" x 10 teeth (25.4mm diameter) for PRM100, 101, 140, 160 & 260 gearboxes
  • Diameter of back plate which bolts to the engine flywheel: 287.4mm 11.312" (nominal)
  • Back plate fixing holes: (multi-hole fixing type): 6 x 9.1 on 269.96mm pcd and 6 x 6.3mm on 269.96mm PCD.
  • Maximum thickness of drive plate: 35mm (1.38")
  • Fitted with the softer type AG high deflection element for 270Nm 200 ftlb torque, providing a maximum deflection up to 30 degrees.
  • This type of drive plate is especially suited to workboats with slow speed applications and pleasure boats.

Please 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. The 45AG69 damper plate is also failsafe.

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