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R&D Drive Plate | 10 Teeth Spline | PRM ZF Hurth | 155.45mm Diameter | 100 lb ft Torque

Part No. RND-22AM4

74.56 You pay £89.47 Incl VAT You pay £74.56 Excl VAT

RRP £96.72 £80.60

Save £7.25 (7.5%) Save £6.04 (7.5%)

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Overview
Brand R&D Marine
Country of Origin United Kingdom
Element High Deflection
Gearbox Model PRM 60, PRM 80, PRM 100, PRM 140, PRM 160, PRM 160C, PRM 260C, PRM 265, PRM 301A, PRM 310, PRM 500, TMC 30, TMC 40, TMC 50, TMC 60, ZF 5, ZF 10, ZF Hurth HSW 125
Suitability PRM 100, 101, 140, 160 & 260 gearboxes, ZF 10, 12 Hurth HBW 35, 50, 100, 125, 5 & 10 gearboxes, Technodrive TMC30, 40, 50 & 60 & the Borgwarner 500 gearbox.
Gearbox Spline 10 teeth B10 x 23 x 29 DIN 5464 (29mm diameter)
Diameter OD: 155.45mm (6.125")
Torque 135 Nm, 100 lbft
Bolt Hole PCD (Pitch Circle Diameter) 5 x 6.35mm holes (0.25") on 142mm PCD (5.593)
Number of Fixing Holes 5
Thickness Maximum: 32mm (1.25")
Replaces R&D 22AA4
Description

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

The technical details:
Spline: 10 teeth 1" SAE spline (29mm diameter) for PRM 100, 101, 140, 160 & 260 gearboxes, ZF 10, 12 Hurth HBW 35, 50, 100, 125, 5 & 10 gearboxes, Technodrive TMC30, 40, 50 & 60 and the Borgwarner 500 gearbox.
Diameter of drive plate back plate which bolts to the engine flywheel: 155.45 mm 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.
Drive plate 22AM4 replaces 22AA4

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