New | 3516E Marine Auxiliary Engine (U.S. EPA Tier 4 Final)

The 3516E 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 EPA Tier 4 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.

Power Rating
Power Range787-3175 bhp (587-2368 bkW)
Engine Specifications
EmissionsU.S. EPA Tier 4 Final, IMO III
Bore6.69 in
ConfigurationVee 16, 4-Stroke-Cycle Diesel
Displacement4765 in³
Rotation from Flywheel EndCounterclockwise
Stroke8.46 in
Dimensions & Weights
Dry Weight22060 lb
Height90.9 in
Length146.6 in
Minimum Width72.8 in
Maximum Width87.9 in

Utilizes Scr Technology To Enable U.s. Epa Tier 4 Final Emission Regulations Compliance While Lowering Operational Costs, Imo Iii Emissions Compliant

Highest Efficiency Mixing And Control To Lower Operational Costs, Extends Emissions Useful Life, Ensures Compliance, Flexibility Regarding Urea Quality

Advanced Engine Combustion Design Process Utilizing Optimum Configurations And Cylinder Geometry For Maximum Engine Efficiency

Enhanced Control Of Fuel Injection Optimized Through Crank Timing And The Latest A5 Ecm Technology

Optimal Fuel Injector Nozzle Geometry And Electronic Injection Control For Improved Fuel Delivery

Strengthened Cylinder Heads And Valves For Increased Durability And Peak Cylinder Pressure Capability Resulting In Higher Engine Duty Cycle Capability

Industry-leading Warranty Coverage For Factory Packaged Components

No Matter Where Or When, Our Extensive Global Dealer Network Is Ready To Provide Support

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
Cooling System
  • Auxiliary fresh water pump
  • Gear Driven, centrifugal jacket water pump with 40% more capacity
Exhaust System
  • Dual turbochargers with water-cooled bearings and heat shields
Fuel System
  • Duplex Fuel and Oil Filtration
  • Vibration damper and guard
  • Meets SOLAS regulations



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