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3512E Marine Propulsion Engine (U.S. EPA Tier 4 Final)

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3512E Marine Propulsion Engine (U.S. EPA Tier 4 Final)

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 NOx emissions, but can also lower a customer’s owning and operating costs in the process.

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Power Range1341-2550 bhp (1000-1902 bkW)

Speed Range1600 - 1800 rpm

EmissionsU.S. EPA Tier 4, IMO II/III, EU Stage 5

AspirationTwin Turbocharged - Aftercooled

Bore6.69in

Stroke8.46in

Displacement3574in³

Rotation from Flywheel EndClockwise or Counterclockwise

ConfigurationV 12, 4-Stroke-Cycle Diesel

Approximate Weight12824lb

Oil Change Interval250 / 500 / 1000

Minimum Dry Weight18025lb

Minimum Length123.5in

Maximum Length125.4in

Minimum Height91.9in

Maximum Height92.1in

Minimum Width80.2in

Maximum Width81.9in

Standard

Corrosion-resistant aftercooler core

Standard

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

Standard

Dual turbochargers with water-cooled bearings and heat shields

Standard

Vibration damper and guard

Meets SOLAS regulations

Standard

Duplex Fuel and Oil Filtration

Standard

Auxiliary fresh water pump

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

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