Caterpillar announces a new Cat C6.4 diesel V8 engine.
On opening day of the Miami International Boat Show, Caterpillar announces the development of the Cat® C6.4, a new high speed marine diesel engine targeted at the recreational market.
The V8 cylinder four stroke engine has a swept volume of 6.4 liters with a 98.2 mm cylinder bore and piston stroke of 105 mm. The present power range is 246 kW to 371 kW (335 mhp to 505 mhp) at an engine speed of 3,400 rpm. Designed specifically for the leisure industry, the new engine claims to offer decreased engine noise and reduced emissions.
The C6.4 offers four “E” High Performance ratings of 331 kW (450 mhp) at 3400 rpm, 280 kW (380 mhp) at 3400 rpm and 246 kW (335 mhp) at 3400 rpm.
The C6.4 meets current exhaust emission regulations including U.S. EPA Tier II marine recreational craft limitations, the EU 94/25/EC recreational craft directive and is IMO II compliant. The engine is also capable of meeting future U.S. EPA Tier III marine exhaust emissions requirements. Reduced engine noise is achieved through innovative design in the two-piece CGI cylinder block, combining the bed plate and block casting to provide additional stiffness and subsequently lower operating noise. The High Pressure Common Rail (HPCR) fuel system also provides quieter performance through the pilot injection of fuel and integration of Piezo technology to eliminate the “clicking noise” often associated with electro-mechanical control solenoids.
The new engine model will be manufactured in the Wimborne Marine Power Center, located in Wimborne, United Kingdom. Production is targeted for the first half of 2012.
The new Cat 6.4 is E rated up to 371 kW (505mhp) at 3,400 rpm.
Photo credit: Caterpillar Marine Power Systems.