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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.
Request a QuoteAspirationTA
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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