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3512C Propulsion Engine (IMO II)

At a glance data:

Power Range:
1281 - 2552 bhp
Speed Range:
1200 - 1800 rpm
Emissions:
IMO II
Aspiration:
TTA

Overview

The Cat 3512C marine propulsion engine makes your investment work harder. Through a wide range of available power ratings (including High Displacement ratings), no required aftertreatment technology, and nominal rated BSFC fuel consumption - it will drive down your total cost of ownership. With a redesigned piston bowl shape to improve combustion, and improved fuel delivery, this engine is IMO II emissions compliant and committed to sustainable environmental development. Single-source support, the Caterpillar warranty, and industry-leading one-year warranty on parts make the 3512C a fully integrated marine power solution.

Power Rating

Power Range:
1281 - 2552 bhp

Engine Specifications

Speed Range:
1200 - 1800 rpm
Emissions:
IMO II
Aspiration:
TTA
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:
16340lb

Standard Equipment

air inlet system

  • Separate circuit aftercooler core, corrosion resistant coated (air side)
  • Powercore air cleaner

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)

exhaust system

  • 3500C engines:

fuel system

  • Fuel transfer pump
  • Electronically Controlled Unit Injectors

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 or 1000 hour sump oil pan

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

  • 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:

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

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

control system

  • Throttle Control

cooling system

  • Coolant Shunt Tank
  • Cooling System Options

exhaust system

  • Flexible Fittings
  • Elbows
  • 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
  • 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