The 3512 High Displacement marine engines are now available in a wide range of ratings from lesser regulated up to U.S. EPA Tier 4 Final and IMO III marine emissions regulations (EPA Marine Tier 3 and IMO II regulations without any additional after treatment). These new propulsion, auxiliary, and DEP engines, designed and built from the current 3512C and 3516C platforms, have minimal dimensional and weight changes in comparison. Owning and operating costs are also very similar. For the specific fuel consumption of each rating please refer to the performance data. New features include stainless steel exhaust heat shields, closed crankcase ventilation system, and EPA Tier 3 compliance.

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