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3512E Marine Auxiliary/DEP Engine (U.S. EPA Tier 4 Final)
Auxiliary Engines
Auxiliary Engines (13)
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3516E Marine Auxiliary Engine (U.S. EPA Tier 4 Final)
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Cat C280 Marine Auxiliary Engines
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Cat C32 Auxiliary / Diesel Electric Propulsion Engine (US EPA Tier 4 / IMO III)
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Cat C32 Auxiliary/Generator Set Engine (EPA Tier 3)
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Cat C18 Auxiliary/Generator Set Engine (IMO II)
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C4.4 (Electronic Control System)
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C7.1 Marine Auxiliary Engine (U.S. EPA Tier 3 / IMO II)
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C9.3 Marine Auxiliary Engine
Overview
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.
- Emissions
- Utilizes closed loop air assisted DEF dosing control strategy
- Advanced Engine Combustion Design
- Enhanced control of fuel injection
- Enhanced Fuel Delivery
- Increased Durability and Higher Engine Duty Cycle Capability
- Caterpillar Warranty
- Global Dealer Network
Emissions
Utilizes SCR Technology to enable U.S. EPA Tier 4 Final emission regulations compliance while lowering operational costs, IMO III emissions compliant
Utilizes closed loop air assisted DEF dosing control strategy
Highest efficiency mixing and control to lower operational costs, extends emissions useful life, ensures compliance, flexibility regarding urea quality
Advanced Engine Combustion Design
Advanced engine combustion design process utilizing optimum configurations and cylinder geometry for maximum engine efficiency
Enhanced control of fuel injection
Enhanced control of fuel injection optimized through crank timing and thelatest A5 ECM technology
Enhanced Fuel Delivery
Optimal fuel injector nozzle geometry and electronic injection control for improved fuel delivery
Increased Durability and Higher Engine Duty Cycle Capability
Strengthened cylinder heads and valves for increased durability and peak cylinder pressure capability resulting in higher engine duty cycle capability
Caterpillar Warranty
Industry-leading warranty coverage for factory packaged components
Global Dealer Network
No matter where or when, our extensive global dealer network is ready to provide support.
Emissions
Utilizes SCR Technology to enable U.S. EPA Tier 4 Final emission regulations compliance while lowering operational costs, IMO III emissions compliant
Utilizes closed loop air assisted DEF dosing control strategy
Highest efficiency mixing and control to lower operational costs, extends emissions useful life, ensures compliance, flexibility regarding urea quality
Advanced Engine Combustion Design
Advanced engine combustion design process utilizing optimum configurations and cylinder geometry for maximum engine efficiency
Enhanced control of fuel injection
Enhanced control of fuel injection optimized through crank timing and thelatest A5 ECM technology
Enhanced Fuel Delivery
Optimal fuel injector nozzle geometry and electronic injection control for improved fuel delivery
Increased Durability and Higher Engine Duty Cycle Capability
Strengthened cylinder heads and valves for increased durability and peak cylinder pressure capability resulting in higher engine duty cycle capability
Caterpillar Warranty
Industry-leading warranty coverage for factory packaged components
Global Dealer Network
No matter where or when, our extensive global dealer network is ready to provide support.
Power Rating
- Power Range
- 732-2399 bhp (546-1789 bkW)
- Power Range
- 732-2399 bhp (546-1789 bkW)
Engine Specifications
- Speed Range
- Emissions
- U.S. EPA Tier 4 Final, IMO III
- Aspiration
- TA
- Bore
- 6.69in
- Stroke
- 8.46in
- Displacement
- 3574.0in3
- Rotation from Flywheel End
- Counterclockwise
- Configuration
- Vee 12, 4-Stroke-Cycle Diesel
- Aspiration
- TA
- Emissions
- U.S. EPA Tier 4 Final, IMO III
- Bore
- 6.69in
- Displacement
- 3574in³
- Stroke
- 8.46in
Dimensions & Weights
- Minimum Dry Weight
- 18025.0lb
- Minimum Length
- 104.2in
- Maximum Length
- 125.4in
- Minimum Height
- 91.9in
- Maximum Height
- 91.9in
- Minimum Width
- 71.2in
- Maximum Width
- 81.9in
- Minimum Dry Weight
- 18025lb
- Minimum Height
- 91.9in
- Minimum Length
- 104.2in
- Minimum Width
- 71.2in
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
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- 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
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- Duplex Fuel and Oil Filtration
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- Cooling System
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- Auxiliary fresh water pump
- Gear Driven, centrifugal jacket water pump with 40% more capacity
Optional Equipment:
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3512E Auxiliary Engines
- Configuration
- Vee 12, 4-Stroke-Cycle Diesel
- Bore
- 6.69 in
- Stroke
- 8.46 in
C4.4 (Electronic) Auxiliary Engines
- Configuration
- In-line 4, 4-stroke-cycle diesel
- Bore
- 4.13 in
- Stroke
- 5 in
C7.1 Tier 3 / IMO II Auxiliary Engines
- Configuration
- In-line 6, 4-stroke-cycle diesel
- Bore
- 4.13 in
- Stroke
- 5.31 in