3512C

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SPECS SUMMARY

Power Range 1281 - 2552 bhp
Speed Range 1200 - 1800 rpm
Emissions IMO II, China II
Aspiration Twin Turbocharged Aspirator
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.

Specifications

Power Range 1281 - 2552 bhp
Speed Range 1200 - 1800 rpm
Emissions IMO II, China II
Aspiration Twin Turbocharged Aspirator
Bore 6.69 in (170 mm)
Stroke 7.48 in (190 mm)
Stroke - HD 8.46 in (215 mm)
Displacement 3161 in³ (51.8 l)
Displacement - HD 3574 in³ (58.6 l)
Rotation from Flywheel End Counterclockwise or Clockwise
Configuration V 12, 4-Stroke-Cycle Diesel
Maximum Length 102 in (2590 mm)
Maximum Width 80.2 in (2037 mm)
Minimum Dry Weight 14400 lb (6532 kg)
Minimum Width 80.2 in (2037 mm)
Minimum Height 75 in (1904 mm)
Minimum Length 102 in (2590 mm)
Maximum Height 75 in (1904 mm)
Maximum Dry Weight 16340 lb (7411 kg)
Length - Engine 111.1 in (222.2 mm)

Benefits and Features

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. Better electronic injection control using crank timing vs. cam timing, IMO Tier II Emissions Compliant, Lower IMAT = Lower NOx

Electronic governing (A6 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

Standard Equipment

  • 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

Optional Equipment

  • 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