3512E Marine Auxiliary/DEP Engine (U.S. EPA Tier 4 Final)

3512E Marine Auxiliary/DEP Engine (U.S. EPA Tier 4 Final)

The 3512E marine auxiliary 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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AspirationTA

EmissionsU.S. EPA Tier 4 Final, IMO III

Bore6.69in

Displacement3574in³

Stroke8.46in

Rotation from Flywheel EndCounterclockwise

ConfigurationVee 12, 4-Stroke-Cycle Diesel

Power Range732-2399 bhp (546-1789 bkW)

Maximum Width81.9in

Minimum Width71.2in

Maximum Height91.9in

Minimum Height91.9in

Minimum Dry Weight18025lb

Maximum Length125.4in

Minimum Length104.2in

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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