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

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.

Power Rating

Power Range

1341-2549 bhp (1000-1901 bkW)

Engine Specifications

Speed Range

1600-1800 rpm

Emissions

U.S. EPA Tier 4 Final, IMO III

Aspiration

TTA

Bore

6.69in

Stroke

8.46in

Displacement

3574in³

Rotation from Flywheel End

Counterclockwise

Configuration

Vee 12, 4-Stroke-Cycle Diesel

Dimensions & Weights

Minimum Dry Weight

18025lb

Minimum Length

104.2in

Maximum Length

104.2in

Minimum Height

91.9in

Maximum Height

87.5in

Minimum Width

71.2in

Maximum Width

80.2in

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

Optional Equipment:

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