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Piscataway Campus 732-885-5555
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3512C

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Exterior View

3512C

ApplicationWorkboat
Speed Range1200 – 1800 rpm
EmissionsIMO II, China II
AspirationTwin Turbocharged Aspirator
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Learn more about our 3512C

The Cat® 3512C marine propulsion engine delivers results under hard working conditions. This engine family is designed to maximize the performance of your invested dollars with a wide range of available power ratings, standard and reverse rotation configurations, no required aftertreatment, and efficient fuel consumption. This engine is available as IMO II or China Stage II emissions compliant making it an excellent propulsion engine choice for Tug, Governmental, and other workboat applications.

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
Maximum Length
102in
Maximum Width
80.2in
Minimum Dry Weight
14400lb
Minimum Width
80.2in
Minimum Height
75in
Minimum Length
102in
Maximum Height
75in
Maximum Dry Weight
16340lb
Length - Engine
111.1in
Power Range
1281 - 2552 bhp
Separate circuit aftercooler core, corrosion resistant coated (air side)
Powercore air cleaner
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)
3500C engines:
Fuel transfer pump
Electronically Controlled Unit Injectors
Duplex Fuel Filters
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:
Crankcase breather groups, Top mounted
Oil filler and dipstick, LH or RH
Oil pump, gear type
250 / 500 / 1000 hour sump oil pan options
Rails, engine mounting, ledge type, 203 mm x 203 mm (8 in x 8 in) or Front Trunnion
Accessory drives: Lower RH, lower LH
Front housing, two-sided
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:
Vibration damper and guard
Lifting eyes
NOTE: Engines for heat exchanger cooling do NOT include heat exchange
Flywheel, SAE No. 00, 183 teeth
Flywheel housing, SAE No. 00, 183 teeth
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
Air Inlet Adapters
Battery Chargers
Charging Alternator 24V/60amp
Throttle Control
Coolant Shunt Tank
Cooling System Options
Flexible Fittings
Elbows, Flexible Fittings, and Flanges for exhaust connections
Flanges
Flange and Exhaust Expanders
Mufflers
Fuel Cooler Heat Exchanger - Sea Water
Primary Fuel Filter
Fuel Level Switch
Rigid Fuel Lines
Flexible Fuel Lines
Communication Modules
Color Marine Power Display System equipped with access to Marine Digital Services
Pilot House Instrument Panels
Marine Gear Sensors
Sump Pumps
Lubricating Oil
Stub Shafts
Crankshaft Pulleys
Damper Guard
Flexible Coupling and Guards
Green Passport Documentation
Spray Shielding
Shutoff and Alarm Contactors
Special Appearance Packages with Chrome Covers
Yacht Class Finish
Air Starting Motor Options
Battery Sets - 24 Volt - Dry
Battery Rack
Engine Supports
Vibration Isolation Mountings
Shrink Wrap Protection
Storage Preservation with Glycol Solution/Vapor Corrosion Inhibitor
Export Boxing
Export Packaging
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