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

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

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.

Product Specs

Dimensions & Weights

Maximum Width
81.9in
Maximum Height
91.9in
Minimum Height
91.9in
Maximum Length
104.2in
Minimum Length
104.2in
Minimum Dry Weight
18025lb
Minimum Width
71.2in

Engine Specifications

Configuration
Vee 12, 4-Stroke-Cycle Diesel
Rotation from Flywheel End
Counterclockwise
Displacement
3574in³
Stroke
8.46in
Bore
6.69in
Aspiration
TTA
Emissions
U.S. EPA Tier 4 Final, IMO III
Speed Range
1600-1800 rpm

Power Rating

Power Range
1341-2549 bhp (1000-1901 bkW)

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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