3512C
THE RUNDOWN
V12 Continuous Duty
Robust V12, 4-stroke diesel platform engineered for sustained high-load propulsion and continuous duty cycles across diverse commercial vessel platformsRobust V12, 4-stroke diesel platform engineered for sustained high-load propulsion and continuous duty cycles across diverse commercial vessel platforms.
Multiple Power Ratings
Available in multiple ratings and speed configurations to match vessel duty profiles and mission requirement.
Optimized Fuel Utilization
Optimized fuel delivery and combustion performance help maximize operating efficiency across a range of vessel duty cycles.
Integrated Controls
Updated electronic controls meet IACS UR E29/E27 requirements for cyber security.
Emissions Compliance
No aftertreatment required for IMO II, reducing system complexity, weight and installation footprint.
Rotation Configurations
Broad power range with standard rotation and reverse rotation options to simplify vessel integration and repower projects.
Power Rating
| Power Range | 1281 - 2552 bhp |
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 | 3161.0in³ |
| Displacement - HD | 3574.0in³ |
| Rotation from Flywheel End | Counterclockwise or Clockwise |
| Configuration | V 12, 4-Stroke-Cycle Diesel |
Dimensions & Weights
| Maximum Length | 102.0in |
| Maximum Width | 80.2in |
| Minimum Dry Weight | 14400.0lb |
| Minimum Width | 80.2in |
| Minimum Height | 75.0in |
| Minimum Length | 102.0in |
| Maximum Height | 75.0in |
| Maximum Dry Weight | 17866lb |
| Length - Engine | 111.1in |
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