Commercial Propulsion Engines
3512C Propulsion Engine (IMO II)
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Power Range1280-2551 bhp (955-1902 bkW)
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Power Range1281 - 2552 bhp
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Continuous Ratings1500.0 bhp
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Heavy Duty Ratings1575.0 bhp
Power Rating
- Power Range
- 1280-2551 bhp (955-1902 bkW)
- Power Range
- 1281 - 2552 bhp
- Continuous Ratings
- 1500.0 bhp
- Heavy Duty Ratings
- 1575.0 bhp
- Maximum Continuous Ratings
- 1650.0 bhp
Engine Specifications
- Speed Range
- 1200 rpm, 1600 rpm, 1800 rpm
- Speed Range
- 1200 - 1800 rpm
- Emissions
- IMO II, EU IW
- Emissions
- IMO II
- Aspiration
- TTA
- Aspiration
- TTA
- Bore
- 6.69 in
- Bore
- 6.69 in
- Stroke
- 7.48 in
- Stroke
- 7.48 in
- Displacement
- 3161.0 in3
- Stroke
- 8.46 in
- Displacement
- 3161 in³
- Displacement
- 3574 in³
- Rotation from Flywheel End
- Counterclockwise or Clockwise
- Configuration
- V 12, 4-Stroke-Cycle Diesel
Dimensions & Weights
- Minimum Dry Weight
- 14400.0 lb
- Minimum Length
- 102.0 in
- Minimum Height
- 75.0 in
- Minimum Width
- 80.2 in
- Maximum Length
- 102 in
- Maximum Height
- 75 in
- Maximum Width
- 80.2 in
- Minimum Dry Weight
- 14400 lb
- Minimum Height
- 75 in
- Minimum Length
- 102 in
- Minimum Width
- 80.2 in
- Maximum Dry Weight
- 16340 lb
- Maximum Dry Weight
- 16340 lb
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Air Inlet System
- Separate circuit aftercooler core, corrosion resistant coated (air side)
- Powercore air cleaner
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Control System
- Dual Caterpillar A4 Electronic Engine Control with Electronic Unit Injector Fuel System
- Rigid Wiring Harness (10 amp DC power required to drive Electronic Engine Control Module)
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Exhaust System
- 3500C engines:
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Fuel System
- Fuel transfer pump
- Electronically Controlled Unit Injectors
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Instrumentation
- Electronic service meter, instrument panel (24V), start/stop switch, emergency stop button, maintenance due light, diagnostic light, warning light, maintenance clear switch, start motor magnetic switch, 15 and 3A breakers
- Graphical Unit (Color Marine Power Display) for analog or digital of:
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Lube System
- Crankcase breather groups, Top mounted
- Oil filler and dipstick, LH or RH
- Oil pump, gear type
- 250 or 1000 hour sump oil pan
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Mounting System
- Rails, engine mounting, ledge type, 203 mm x 203 mm (8 in x 8 in) or Front Trunnion
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Power Takeoffs
- Accessory drives: Lower RH, lower LH
- Front housing, two-sided
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Protection System
- A4 Electronic Monitoring System provides customer programmable engine derating strategies to protect against adverse operating conditions
- Emergency stop push button (located in Electronic Instrument Panel)
- Safety shutoff protection:
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General
- Vibration damper and guard
- Lifting eyes
- NOTE: Engines for heat exchanger cooling do NOT include heat exchange
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Flywheel and Flywheel Housing
- Flywheel, SAE No. 00, 183 teeth
- Flywheel housing, SAE No. 00
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Cooling System
- Oil cooler
- Thermostats and housing, Full open temperature 92 C (198 F)
- Jacket water pump, gear driven, centrifugal
- Auxiliary fresh water pump
- Aftercooler system: If using glycol, up to maximum 20% glycol concentration is allowed
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Air Inlet System
- Air Inlet Adapters
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Charging System
- Battery Chargers
- Charging Alternator
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Control System
- Throttle Control
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Cooling System
- Coolant Shunt Tank
- Cooling System Options
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Exhaust System
- Flexible Fittings
- Elbows
- Flanges
- Flange and Exhaust Expanders
- Mufflers
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Fuel System
- Fuel Cooler Heat Exchanger - Sea Water
- Primary Fuel Filter
- Fuel Level Switch
- Rigid Fuel Lines
- Flexible Fuel Lines
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Instrumentation
- Communication Modules
- Color Marine Power Display System
- Pilot House Instrument Panels
- Marine Gear Sensors
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Lube System
- Sump Pumps
- Lubricating Oil
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Power Take-Offs
- Stub Shafts
- Crankshaft Pulleys
- Damper Guard
- Flexible Coupling and Guards
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Marine Society Requirements
- Green Passport Documentation
- Spray Shielding
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Protection System
- Shutoff and Alarm Contactors
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Special Appearance Packages
- Special Appearance Packages with Chrome Covers
- Yacht Class Finish
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Starting System
- Air Starting Motor Options
- Battery Sets - 24 Volt - Dry
- Battery Rack
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Mounting System
- Engine Supports
- Vibration Isolation Mountings
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Packing
- Shrink Wrap Protection
- Storage Preservation with Glycol Solution/Vapor Corrosion Inhibitor
- Export Boxing
- Export Packaging