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 Rating
- Power Range
- 1,341-2,550 bhp (1,000-1,902 bkW)
Engine Specifications
- Speed Range
- 1,600 - 1,800 rpm
- Emissions
- U.S. EPA Tier 4, IMO II/III, EU Stage 5
- Aspiration
- Twin Turbocharged - Aftercooled
- Bore
- 6.69 in
- Stroke
- 8.46 in
- Displacement
- 3,574 in³
- Rotation from Flywheel End
- Clockwise or Counterclockwise
- Configuration
- V 12, 4-Stroke-Cycle Diesel
- Approximate Weight
- 12,824 lb
- Oil Change Interval
- 250 / 500 / 1,000
Dimensions & Weights
- Minimum Dry Weight
- 18,025 lb
- Minimum Length
- 123.5 in
- Maximum Length
- 125.4 in
- Minimum Height
- 91.9 in
- Maximum Height
- 92.1 in
- Minimum Width
- 80.2 in
- Maximum Width
- 81.9 in
Specifications
Power Rating
- Power Range
- 1,341-2,550 bhp (1,000-1,902 bkW)
Engine Specifications
- Speed Range
- 1,600 - 1,800 rpm
- Emissions
- U.S. EPA Tier 4, IMO II/III, EU Stage 5
- Aspiration
- Twin Turbocharged - Aftercooled
- Bore
- 6.69 in
- Stroke
- 8.46 in
- Displacement
- 3,574 in³
- Rotation from Flywheel End
- Clockwise or Counterclockwise
- Configuration
- V 12, 4-Stroke-Cycle Diesel
- Approximate Weight
- 12,824 lb
- Oil Change Interval
- 250 / 500 / 1,000
Dimensions & Weights
- Minimum Dry Weight
- 18,025 lb
- Minimum Length
- 123.5 in
- Maximum Length
- 125.4 in
- Minimum Height
- 91.9 in
- Maximum Height
- 92.1 in
- Minimum Width
- 80.2 in
- Maximum Width
- 81.9 in
Standard/Optional Features
Standard Equipment:
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- Air Inlet System
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- Corrosion-resistant aftercooler core
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- Control System
-
- Dual A5 engine control modules with electronic unit injection and low pressure fuel system
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- Exhaust System
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- Dual turbochargers with water-cooled bearings and heat shields
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- General
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- Vibration damper and guard
- Meets SOLAS regulations
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- 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: