example

BORGWARNER GEARBOX SPARES

Spares

Gearbox Models 71C / 1017 and 72C / 1018

107711 107731 107740

Seal and gasket set

107731 Overhaul kit

DF72-A66B Clutch plate kit

Overhaul kit

Piston ring and seal kit

DF5C-A66A DF72-A66B

Clutch plate - ahead friction plate Clutch plate - astern friction plate

107721 (71C only) 107722 (72C only)

Ahead pack only kit Ahead clutch plate kit

107721 Ahead pack only kit

DF5L-67 Clutch pressure single plate

DF5C-175A DF5L-67 DF3-37 DF3-176 DF72-176 DF71C-A60

Clutch pressure single plate - Ahead (front) Clutch pressure single plate - Ahead (rear)

Clutch belleville single plate Steel clutch single plate - ahead Steel clutch single plate - astern

DF3-37 Clutch belleville single plate

DF3-176 Steel clutch single plate - Ahead

Oil pump

DF3-61 DF71-17

Seal ring pump to case

Thrust washer

DF1000-149-034 DF1000-044-014 DF1000-044-003

Output coupling nut with washer

DF1000-149-034 Nut for output coupling

DF71C-A60 Oil pump

ENGINE SPARES & GEARBOXES

Oil seals - front

Oil seals - output CR2 only

DF71-97

Clutch return spring

DFA4740G

Breather fitting

DF71-97 Clutch return spring

DF71-17 Thrust washer

Output Couplings / Oil Seals

Part no.

Description

DF4547AY

Output coupling - 5” flange / 10 spline Output coupling - 5” flange / 24 spline Oil seals - Output 10 spline, 4” coupling Oil seals - Output 24 spline, 4” coupling

DF1000-031-001

DF71C-110

DF1000-031-001 Output coupling

DF1000-044-014 Oil seal - Front

DF1000-044-017

The drive plate, or damper as it is often called, bolts to the engine flywheel, and connects the engine to the transmission / gearbox splined shaft. The damping is achieved by two methods. R & D drive plates feature a special nylon polymer moulding, designed to be stiff enough to transmit the engine power yet flexible enough to isolate vibration and shock. They are also designed to fail safe in the event of an emergency. Drive Force drive plates feature a ring of springs between the engine mount plate and the transmission spline plate. Inclusion in this section under a brand name does not imply that the items listed are manufacturer’s genuine supply. However, please note that we have chosen our suppliers extremely carefully to provide you with comparable quality. DRIVE PLATES

Many engines start life fitted with a “standard” drive plate, however, many engine marinisers have their own special “standard”. Therefore, to ensure we supply the correct drive plate for your engine, please advise us of the following information: A. Outside diameter of back plate, and if it is required to locate in a register B. P.C.D. of fixing bolts, number and diameter C. Engine make and model

A

B

E

D. Maximum engine horsepower and RPM E. Make, model and gearbox reduction F. Use of boat (i.e. commercial, pleasure, sailing etc.)

B

If you need help with your drive plate selection, please contact our helpful sales team.

HOW TO WORK OUT YOUR P.C.D.

HOW TO WORK OUT THE TORQUE OF YOUR ENGINE FOR DRIVE PLATES

ENGINE HORSE POWER x 5250 = Torque lbft ENGINE SPEED ENGINE HORSE POWER x 7123 = Torque Nm ENGINE SPEED

Example:

150 x 5250 = 5250 = 315 lbft 2500 150 x 7123 = 427 Nm 2500

Hole centres from 6 o’clock to 12 o’clock.

PCD

86

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www.asap-supplies.com

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