3512C
The Cat® 3512C commercial propulsion engine is designed for hard-working marine applications where reliability, fuel efficiency and emissions compliance are critical. With a wide range of ratings, advanced electronic controls and a proven V12 platform, the 3512C delivers dependable performance for tug, governmental and other workboat applications
| Application | Workboat |
| Speed Range | 1200 - 1800 rpm |
| Emissions | IMO II, China II |
| Aspiration | Twin Turbocharged Aspirator |
Engine Specifications
- Application
- Workboat
- Speed Range
- 1200 - 1800 rpm
- Emissions
- IMO II, China II
- Aspiration
- Twin Turbocharged Aspirator
- Bore
- 6.69in
- Stroke
- 7.48in
- Stroke - HD
- 8.46in
- Displacement
- 3161in³
- Displacement - HD
- 3574in³
- Rotation from Flywheel End
- Counterclockwise or Clockwise
- Configuration
- V 12, 4-Stroke-Cycle Diesel
Dimensions & Weights
- Maximum Dry Weight
- 17866lb
- Length - Engine
- 111.1in
- Maximum Length
- 102in
- Maximum Width
- 80.2in
- Minimum Dry Weight
- 14400lb
- Minimum Width
- 80.2in
- Minimum Height
- 75in
- Minimum Length
- 102in
- Maximum Height
- 75in
Power Rating
- Power Range
- 1281 - 2552 bhp
Standard Equipment:
-
- Air Inlet System
-
- Separate circuit aftercooler core, corrosion resistant coated (air side)
- Powercore air cleaner
-
- Control System
-
- Dual Caterpillar A6 Electronic Engine Control with Electronic Unit Injector Fuel System
- Rigid Wiring Harness (20 amp DC power required to drive Electronic Engine Control Module)
-
- Exhaust System
-
- 3500C engines:
-
- Fuel System
-
- Fuel transfer pump
- Electronically Controlled Unit Injectors
- Duplex Fuel Filters
-
- 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:
-
- Lube System
-
- Crankcase breather groups, Top mounted
- Oil filler and dipstick, LH or RH
- Oil pump, gear type
- 250 / 500 / 1000 hour sump oil pan options
-
- Mounting System
-
- Rails, engine mounting, ledge type, 203 mm x 203 mm (8 in x 8 in) or Front Trunnion
-
- Power Takeoffs
-
- Accessory drives: Lower RH, lower LH
- Front housing, two-sided
-
- Protection System
-
- A6 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:
-
- General
-
- Vibration damper and guard
- Lifting eyes
- NOTE: Engines for heat exchanger cooling do NOT include heat exchange
-
- Flywheel And Flywheel Housing
-
- Flywheel, SAE No. 00, 183 teeth
- Flywheel housing, SAE No. 00, 183 teeth
-
- 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
Optional Equipment:
-
- Air Inlet System
-
- Air Inlet Adapters
-
- Charging System
-
- Battery Chargers
- Charging Alternator 24V/60amp
-
- Control System
-
- Throttle Control
-
- Cooling System
-
- Coolant Shunt Tank
- Cooling System Options
-
- Exhaust System
-
- Flexible Fittings
- Elbows, Flexible Fittings, and Flanges for exhaust connections
- Flanges
- Flange and Exhaust Expanders
- Mufflers
-
- Fuel System
-
- Fuel Cooler Heat Exchanger - Sea Water
- Primary Fuel Filter
- Fuel Level Switch
- Rigid Fuel Lines
- Flexible Fuel Lines
-
- Instrumentation
-
- Communication Modules
- Color Marine Power Display System equipped with access to Marine Digital Services
- Pilot House Instrument Panels
- Marine Gear Sensors
-
- Lube System
-
- Sump Pumps
- Lubricating Oil
-
- Power Take-offs
-
- Stub Shafts
- Crankshaft Pulleys
- Damper Guard
- Flexible Coupling and Guards
-
- Marine Society Requirements
-
- Green Passport Documentation
- Spray Shielding
-
- Protection System
-
- Shutoff and Alarm Contactors
-
- Special Appearance Packages
-
- Special Appearance Packages with Chrome Covers
- Yacht Class Finish
-
- Starting System
-
- Air Starting Motor Options
- Battery Sets - 24 Volt - Dry
- Battery Rack
-
- Mounting System
-
- Engine Supports
- Vibration Isolation Mountings
-
- Packing
-
- Shrink Wrap Protection
- Storage Preservation with Glycol Solution/Vapor Corrosion Inhibitor
- Export Boxing
- Export Packaging
