3512E

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

3512E Marine Propulsion Engine (U.S. EPA Tier 4 Final / IMO III)
Power Range
1341-2550 bhp (1000-1902 bkW)
Speed Range
1600 - 1800 rpm
Emissions
U.S. EPA Tier 4, IMO II/III, EU Stage 5
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.
Request a Quote

THE RUNDOWN

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 Range1341-2550 bhp (1000-1902 bkW)
Engine Specifications
Speed Range1600 - 1800 rpm
EmissionsU.S. EPA Tier 4, IMO II/III, EU Stage 5
AspirationTwin Turbocharged - Aftercooled
Bore6.69in
Stroke8.46in
Displacement3574in³
Rotation from Flywheel EndClockwise or Counterclockwise
ConfigurationV 12, 4-Stroke-Cycle Diesel
Approximate Weight12824lb
Oil Change Interval250 / 500 / 1000
Dimensions & Weights
Minimum Dry Weight18025.0lb
Minimum Length123.5in
Maximum Length125.4in
Minimum Height91.9in
Maximum Height92.1in
Minimum Width80.2in
Maximum Width81.9in
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