Cat catches versatile new workboat engine
Caterpillar’s new C175-16 marine propulsion engine.
Caterpillar has introduced the Cat C175-16 marine propulsion engine to power vessel designs for all segments of the marine industry.
The latest in a line of high performance engines designed to meet IMO Tier II emissions requirements, the C175-16 is rated at 2,001 to 2,168 bkW @ 1,600 rpm and 2,239 bkW to 2,550 bkW @ 1,800 rpm. It extends Caterpillar Marine’s high speed engine power range beyond the company’s 3516C-HD engine.
The C175 engine is already being offered in non-road applications to meet EPA Tier 4 requirements and will be suitable for offshore support vessels, tugs, and other workboat applications.
“The C175 marine propulsion engine has been designed to improve total vessel profitability by providing durability with unmatched power output to ensure our customers can maximize profit in their offshore and commercial operations. It is the new industry standard in terms of hard-working, revenue-producing power,” said Bob Hallengren, Caterpillar Marine Power Systems product director. “Naval architects can design vessels around the Cat C175 engines with the confidence these engines will deliver in terms of power and load carrying capability.”
The C175-16 utilizes proven ACERT technology, featuring 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.
The engine also features the Cat common rail fuel system enabling low emissions at all levels and requires no after-treatment to comply with regulations. In addition to a 1,000 hour oil change interval, thermo-laminated heat shields save time and money during service.
With a bore of 175 mm and a stroke of 220 mm, the C175-16 is highly efficient while providing increased propulsion output in a high speed engine platform. Additional features include turbocharged and aftercooled aspiration, MCS approved monitoring, alarm, and protection system, cross-flow head design, and a simplified electrical system.
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