3516C IMO II

Overview

The 3516C propulsion engine is available with a wide range of ratings that meet IMO II regulations without any additional aftertreatment. These engines provide efficient operation with electronic governing, cold mode start strategy, and programmable low idle to minimize fuel consumption. The 3516C engine also incorporates a closed crankcase ventilation system to lower emissions.

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Power Rating
Power Range1650-3386 bhp (1230-2525 bkW)
Engine Specifications
Speed Range1200-1800 rpm
EmissionsIMO II
AspirationTTA
Bore215mm
Stroke170mm
Displacement78l
Rotation from Flywheel EndCounterclockwise or clockwise
ConfigurationVee 16, 4-Stroke-Cycle Diesel
Dimensions & Weights
Minimum Dry Weight7961kg
Minimum Length3637mm
Maximum Length3761mm
Minimum Height1967mm
Maximum Height2150mm
Minimum Width2037mm
Maximum Width2142mm
Air Inlet System
Corrosion resistant separate circuit freshwater aftercooled, powercore air cleaner
Control System
Dual Caterpillar® A3 Electronic Control Unit (ECU) LH with electronic unit injector fuel system rigid wiring harness (10 amp DC power required to drive ECU)
Cooling System
Gear-driven centrifugal auxiliary sea water pump, geardriven centrifugal jacket water pump, expansion tank for commercial engines, coolant shunt tank on lightweight engines, engine oil cooler, thermostats and housing.
ECU Functions
Programmable low idle, SAEJ1939 data link, Cat® data link, engine diagnostics, general alarm relay, programmable parameters (system application and tattletales), Caterpillar ET service tool interface, remote shutdown, shutdown notify, load feedback, overspeed shutdown, overspeed verify
Exhaust System
Dry gas-tight exhaust manifolds with heat shields, dual turbochargers with watercooled bearings and heat shield. Wastegate on select ratings
Fuel System
Electronically controlled unit injectors, simplex fuel filter (RH) with service indicators, fuel transfer pump
Instrumentation
Marine Power Display of: Engine oil pressure, engine water temperature, fuel pressure, engine speed, fuel consumption, overspeed shutdown notification light, prelube and shutdown override
Lube System
Gear-driven pump, top-mounted dual crankcase breather groups, simplex oil filter, oil filler and dipstick
Power Take-Offs
Accessory drive, two-sided front housing
Protection System
Emergency stop pushbutton, safety shutoff, oil pressure, and water temperature
General
Two lifting eyes mounted to cylinder heads, Caterpillar yellow paint, parts books and maintenance manuals, shrink-wrap.
ISO Certification
Factory-designed systems built at Caterpillar ISO 9001:2000 certified facilities.
Complete Solution for Your Marine Application'
• Single-source for support and service • Industry-leading warranty coverage for factory packaged components • Global dealer network for service in any location
Efficient Operation
• Instrument panel with cold mode start strategy and programmable low idle • Electronic governing control unit minimizes fuel consumption and monitors engine operating parameters • Optional alarm and protection system
Improved Performance and Function
• Standard marine twin turbocharger configuration. • More reserved power for superior part load performance at continuous ratings • Turbos tuned for high power and excellent fuel consumption
Environmentally Conscious
• Closed crankcase ventilation system and redesigned piston for improved efficiency and lower emissions • Optimal nozzle geometry and electronic injection control for improved fuel delivery • EPA Marine Tier 3/IMO Tier II Emissions Compliant
Specifications
Power Rating
Power Range1650-3386 bhp (1230-2525 bkW)
Engine Specifications
Speed Range1200-1800 rpm
EmissionsIMO II
AspirationTTA
Bore215mm
Stroke170mm
Displacement78l
Rotation from Flywheel EndCounterclockwise or clockwise
ConfigurationVee 16, 4-Stroke-Cycle Diesel
Dimensions & Weights
Minimum Dry Weight7961kg
Minimum Length3637mm
Maximum Length3761mm
Minimum Height1967mm
Maximum Height2150mm
Minimum Width2037mm
Maximum Width2142mm
Equipment
Air Inlet System
Corrosion resistant separate circuit freshwater aftercooled, powercore air cleaner
Control System
Dual Caterpillar® A3 Electronic Control Unit (ECU) LH with electronic unit injector fuel system rigid wiring harness (10 amp DC power required to drive ECU)
Cooling System
Gear-driven centrifugal auxiliary sea water pump, geardriven centrifugal jacket water pump, expansion tank for commercial engines, coolant shunt tank on lightweight engines, engine oil cooler, thermostats and housing.
ECU Functions
Programmable low idle, SAEJ1939 data link, Cat® data link, engine diagnostics, general alarm relay, programmable parameters (system application and tattletales), Caterpillar ET service tool interface, remote shutdown, shutdown notify, load feedback, overspeed shutdown, overspeed verify
Exhaust System
Dry gas-tight exhaust manifolds with heat shields, dual turbochargers with watercooled bearings and heat shield. Wastegate on select ratings
Fuel System
Electronically controlled unit injectors, simplex fuel filter (RH) with service indicators, fuel transfer pump
Instrumentation
Marine Power Display of: Engine oil pressure, engine water temperature, fuel pressure, engine speed, fuel consumption, overspeed shutdown notification light, prelube and shutdown override
Lube System
Gear-driven pump, top-mounted dual crankcase breather groups, simplex oil filter, oil filler and dipstick
Power Take-Offs
Accessory drive, two-sided front housing
Protection System
Emergency stop pushbutton, safety shutoff, oil pressure, and water temperature
General
Two lifting eyes mounted to cylinder heads, Caterpillar yellow paint, parts books and maintenance manuals, shrink-wrap.
ISO Certification
Factory-designed systems built at Caterpillar ISO 9001:2000 certified facilities.
Benefits & Features
Complete Solution for Your Marine Application'
Efficient Operation
Improved Performance and Function
Environmentally Conscious
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