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


Features At A Glance

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

Product Specifications for 3512E

Power Rating

Engine Specifications

Dimensions & Weights

3512E 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


  • 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

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