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Overview

The 3516E 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 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.

Power Rating

Units:
Power Range 2501-3386 bhp (1865-2525 bkW) 2501-3386 bhp (1865-2525 bkW) Less

Engine Specifications

Speed Range 1600-1800 rpm 1600-1800 rpm Less
Emissions U.S. EPA Tier 4 Final, IMO III U.S. EPA Tier 4 Final, IMO III Less
Aspiration TTA TTA Less
Bore 6.69 in 170.0 mm Less
Stroke 8.46 in 215.0 mm Less
Displacement 4765.0 in3 78.0 L Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less
Configuration Vee 16, 4-Stroke-Cycle Diesel Vee 16, 4-Stroke-Cycle Diesel Less

Dimensions & Weights

Length 125.7 in 3192.0 mm Less
Width 89.9 in 2284.0 mm Less
Height 87.6 in 2225.0 mm Less
Dry Weight 21164.0 lb 9600.0 kg Less

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

3516E 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

General
  • Vibration damper and guard
  • Meets SOLAS regulations

3516E Optional Equipment

Plate-type heat exchanger with integrated SCAC and JW Water expansion tanks

Special appearance packages with chrome covers

Marine society certifications

Power take-off

Certified marine alarm and protection safety system

Standard instrument panel with color touchscreen display

Mounting rails and trunnion mount options

Engine mounted fuel cooler (SCAC Water Cooled)

Sea water pump with 25% more capacity for cooling auxiliary vessel equipment

Closed crank case ventilation

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