Caterpillar unveils Tier 4 marine engines

Rebecca Hayward - 16 January 2014

Caterpillar has unveiled its first marine engines to meet U.S. Environmental Protection Agency (EPA) Tier 4 emissions requirements. The new products were debuted at the International Workboat Show in New Orleans at the end of 2013.

Caterpillar's new engines include the Cat 3516C, Cat C280-8 and Cat C280-12, which will target the tug/salvage and offshore industries. The engines will utilize Selective Catalytic Reduction (SCR) aftertreatment systems to meet the Tier 4 nitrogen oxide (NOx) requirements.

The Cat 3516C will be available in ratings of 2,240/2,350 bkW at 1,800 rpm, and an option with auxiliary or diesel electric propulsion is available at 2,250 ekW.

The C280-8 engine is available in ratings of 2,460/2,710 bkW at 1,000 rpm and the auxiliary engine and diesel electric propulsion generator set option is available at 2,185/2,400 ekW at 900 rpm.

The C280-12 engine is available in ratings of 3,700/4,060 bkW at 1,000 rpm and the auxiliary engine and diesel electric propulsion generator set option is available at 3,320/3,640 ekW at 900 rpm.

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