The Engine Rebuilder November 2019 | Page 46

ENGINE PROFILE

OUTBOARD

ENGINE

NE

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Cox Powertrain has recently developed the CXO300 engine, described as the world�s first 300 hp diesel�powered outboard marine engine� A ����litre, twin turbocharged V8 that delivers 480 lb. ft.( 650 Nm) torque, it offers significantly increased durability o�er petrol variants and up to 25 per cent impro�ed fuel efficiency, making it ideal for a range of applications including commercial vessels, leisure and sea rescue.
With a displacement of 4.4 litres, the long�stroke 60�degree V8 diesel uses an aluminium alloy block and heads, with a compression ratio of 16:1, twin turbochargers and high�pressure common�rail fuel in�ection to de�elop a crankshaft power of 338 hp( 252 kW) and peak torque of �7� lb�ft( 650 Nm). That equates to a propeller shaft power output of 300 hp( 22� kW) �
�n�eiled for the first time last November at the 2018 Fort Lauderdale International �oat �how, with�a twin�engine installation fitted to the transom of Intrepid’ s new 345 Nomad,
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�ridgnorth�based casting specialist �rainger & Worrall is manufacturing the main engine castings for the CXO300 engine. The company has been chosen due to its ability to deli�er �exible programmes in a short timescale with precise quality control.
�We are delighted to be identified by �ox Powertrain as the ideal partner for its incredible new diesel engine pro�ect, � said �atthew �rainger, �rainger � Worrall director� ��he cylinder heads and both upper and lower crankcase will be produced by �rainger � Worrall as the first series production contract for these four significant engine castings� �he inno�ati�e casting technologies employed by our company make us the ideal supplier for Cox Powertrain’ s ambitious programme, which required its first engine casting deliveries to be made by year end. Our agile, �exible approach is the perfect solution for manufacturers and suppliers working to short timescales who require reduced lead�times without �eopardising quality control�� www. gwcast. com