The 3512E marine propulsion engine is now available in a wide range of ratings that meet U.S. EPA Tier 4 Final and IMO III marine emissions regulations. As the commercial marine industry adjusts their operations to meet U.S. EPA Tier 4 Final and IMO III emissions standards, Caterpillar Marine has introduced a solution built to maximize performance while meeting regulations. Caterpillar’s combination of a fuel-efficiency-optimized engine and a selective catalytic reduction (SCR) aftertreatment system is a solution that not only reduces NOxemissions, but can also lower a customer’s owning and operating costs in the process.

3512E STANDARD EQUIPMENT

AIR INLET SYSTEM

  Corrosion-resistant aftercooler core

 CONTROL SYSTEM

  Dual A5 engine control modules with electronic unit
injection and low pressure fuel system

 EXHAUST SYSTEM

  Dual turbochargers with water-cooled bearings and heat
shields

 GENERAL

·     Vibration damper and guard

 Meets SOLAS regulations

 FUEL SYSTEM

 Duplex Fuel and Oil Filtration

 COOLING SYSTEM

·     Auxiliary fresh water pump

·Gear Driven, centrifugal jacket water pump with 40% more
capacity