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Contact us:
(44) 01202 891824

Fax: (44) 01202 895882

General enquiries:
engines@mermaid-marine.co.uk

Sales: Mark Tilley
Engines, water-jets & accessories
mark@mermaid-marine.co.uk

Parts: Jason Murrell
Spares, transmissions, overhaul
& out of production engines
jason@mermaid-marine.co.uk

Customer Support: Tracey Lambert
tracey@mermaid-marine.co.uk

Technical Support: Cyril Snare
cyril@mermaid-marine.co.uk

Owners Club: Barbara Snare
(44) 01425 477545
club@mermaid-marine.co.uk

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Diesel Engines

Marine gearboxes and stern drives available from Mermaid
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Accessories
Gearboxes - matching the gearbox to your engine:

This can be a complex area but is absolutely critical to the success of your project. We are very happy to advise you - so please contact us for help - (44) 01202 891824

Things to consider:
Input power to the gearbox (equates to the output of your engine)
Reduction ratios - ranges from 1:1 to 3:1 (in certain configurations 4:1)
Common configurations:

Inline Diagram
Engine - In-line - Propellor
Down Angle Diagram
Engine - Down Angle (8 to 10 degrees) - Propellor
Offset Diagram
Engine - Offset - Propellor
Engine type Gearbox options for non-commercial use Gearbox options for heavy duty commercial use
Mariner BorgWarner 10 -18 series
PRM 500 (302)
ZF 45A
PRM 1000 (601)
Mistral PRM 750D (402)
or PRM 750A (402A)
BorgWarner 10 - 18 series
Twin Disc MG 506/506A
PRM 1000 (601)
Majestic BorgWarner 10 - 18 series
ZF63A down angle gear
PRM 750 (401) or heavy duty PRM 1000 (601)
Monarch BorgWarner 5000
Twin Disc MG 502 down angle gear
PRM 1000 (601)
Twin Disc MG 5050
Turbo Plus Twin Disc MG 5050/5050A
PRM 1000 (601)
Twin Disc MG 5061

Drive and clutch plates are available from each gearbox manufacturers:

R & D - suitable in low power applications
CENTA - suitable for commercial craft and fishing boats
VULKAN - suitable for ferries and tugs
Stern Drives

Suppliers of Mercruiser & Konrad stern drives to suit all configurations. Contact Mermaid for details of the application to suit your requirements.

KONRAD and STERN POWER manufacturers of heavy duty stern drives.


Konrad Sterndrive
KONRAD Sterndrive

BRAVO stern drives

Bravo Sterndrive
BRAVO 1 - single small propellor - sports boat
BRAVO 2 - single large propellor - workboats
BRAVO 3 - twin contra rotating propellors - sportsboats



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Home - Diesel Engines - Accessories - Spares - Service & Support
Address: 70-72 Cobham Road, Ferndown Industrial Estate, Wimborne, Dorset BH21 7RN
Telephone (44) 01202 891824   Fax (44) 01202 895882
E-Mail:- engines@mermaid-marine.co.uk

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