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3512C High Displacement Propulsion Engine

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3512C High Displacement Propulsion Engine

Overview

The Cat 3512C marine propulsion engine makes your investment work harder. Through a wide range of available power 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

3512C HD High Performance

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Uses advanced predictive modeling software to select best nozzle configurations and combustion cylinder geometry, Stainless steel exhaust manifold and turbo heat shields, Closed crankcase ventilation system, Dual camshafts, Reduced aftercooler heat load for smaller heat exchanger requirements

A wide range of power ratings available, No aftertreatment technology required, Fuel consumption nominal rated BSFC

Modified piston bowl shape to improve combustion and reduce emissions, Uses K-factor injector to align with predictive model analysis, Better electronic injection control using crank timing vs. cam timing, EPA Marine Tier 3/IMO Tier II Emissions Compliant, Lower IMAT = Lower NOx

Electronic governing (A4 ECU), Instrument panel shipped loose with Color Marine Power Display (MPD), Cold mode start strategy, Programmable low idle, Optional marine alarm and protection system

Single-source support, Caterpillar warranty for all factory packaged components, Industry-leading one-year warranty on parts
Power Range
1340-2366 bhp (1000-1765 bkW)
Speed Range
1600-1800 rpm
Emissions
EPA Tier 3, IMO II
Aspiration
TTA
Bore
6.69in
Stroke
8.5in
Displacement
3574in³
Rotation from Flywheel End
Counterclockwise
Configuration
Vee 12, 4-Stroke-Cycle Diesel
Width
80.2in
Height
87.5in
Dry Weight
16508lb
Length
104.2in
  • 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
  • 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
  • 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
  • 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:
  • 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

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