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Caterpillar Launches New Propulsion Engine

Posted on November 18, 2011

Caterpillar has introduced the Cat C175-16 marine propulsion engine at a size, power and r/min that will drive new vessel designs for all segments of the marine industry. Designed to meet IMO Tier II emissions requirements, the C175-16 is rated 2001 to 2168 bkW at 1600 r/min and 2239 to 2550 bkW at 1800 r/min. The new propulsion engine extends Caterpillar Marine’s high-speed engine power range beyond the company’s 3516C-HD engine, the company said.

The C175 engine is already being offered in non-road applications to meet EPA Tier 4 requirements. Designed for offshore support vessels, tugs, and workboat applications, the C175-16 features technology advancements and updates to ensure maximum productivity and minimal environmental impact, according to Caterpillar.

The C175-16 uses ACERTTM Technology. Cat ACERT engines feature optimized turbocharging and aftercooling to provide reliable maximum power output. Efficient combustion reduces engine wear and maximizes fuel, driving the C175-16 to pull the maximum amount of energy from each injection event, Cat said.

The engine, which has a bore and stroke of 175 x 220 mm, also features the Cat common rail fuel system, which provides low emissions at all levels and requires no aftertreatment to comply with regulations.

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