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

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

Overview

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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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.
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Power Rating

Power Range
1341-2549 bhp (1000-1901 bkW)
Power Range
1341-2550 bhp (1000-1902 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
3574.0in3
Rotation from Flywheel End
Clockwise or Counterclockwise
Configuration
V 12, 4-Stroke-Cycle Diesel
Speed Range
1600 - 1800 rpm
Emissions
U.S. EPA Tier 4, IMO II/III, EU Stage 5
Aspiration
Twin Turbocharged - Aftercooled
Bore
6.69in
Stroke
8.46in
Displacement
3574in³
Approximate Weight
12824lb
Oil Change Interval
250 / 500 / 1000

Dimensions & Weights

Minimum Dry Weight
18025.0lb
Minimum Length
104.2in
Minimum Height
91.9in
Minimum Width
71.2in
Maximum Length
125.4in
Maximum Height
92.1in
Maximum Width
81.9in
Minimum Dry Weight
18025lb
Minimum Length
123.5in
Minimum Height
91.9in
Minimum Width
80.2in

Standard/Optional Features

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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3512E Commercial Propulsion Engines

Configuration
V 12, 4-Stroke-Cycle Diesel
Bore
6.69 in
Stroke
8.46 in
Selected Model

C7.1 Commercial Propulsion Engines

Configuration
In-line 6, 4-stroke-cycle diesel
Bore
4.13 in
Stroke
5.31 in
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C9.3 Commercial Propulsion Engines

Configuration
In-line 6, 4-Stroke-Cycle Diesel
Bore
4.53 in
Stroke
5.87 in
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