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Caterpillar ships new engines

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Caterpillar Marine has shipped the first of its new Cat C8.7 supercharged diesel engines. The electronically controlled C8.7 can deliver 650 MHP at 2,300rpm while meeting EPA Tier 3, IMO 2, EU Stage IIIA and RCD emissions requirements. In addition to internal validation activities, the C8.7 recently completed field testing on three sportfish yachts, ranging from 48 to 55 feet, accumulating over 7500 hours.

“We’ve been incredibly pleased with the development, testing and delivery of the high-performance C8.7 engine,” said Bruce Strupp, Caterpillar Marine propulsion solutions manager. “The platform is currently being shipped around the globe for applications ranging from sportfishing vessels to large sailboats.”

The C8.7’s fuel delivery system allows the use of a radial, belt driven supercharger in addition to a conventional turbocharger; this feature eliminates smoke and reduces lugging, while delivering low-end torque and fuel economy, the company said in a statement. Once the supercharger is no longer needed as the turbo takes over the boost function, an electromagnetic clutch disengages the supercharger to avoid becoming a parasitic load and allows the turbo to provide the maximum permissible boost pressure.

The C8.7 has left- and right-hand service options and an electric fuel priming pump to minimize both downtime and effort.

For more information, visit marine.cat.com.

 

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