Cat 3516 Seattle Low

  • Specs Summary
  • Power Range
    1280-2551 bhp (955-1902 bkW)
  • Speed Range
    1200 rpm, 1600 rpm, 1800 rpm
  • Emissions
    IMO II, EU IW
  • Aspiration
    TTA

3512C Propulsion Engine (IMO II)

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 1280-2551 bhp (955-1902 bkW)

Engine Specifications

  • Speed Range 1200 rpm, 1600 rpm, 1800 rpm
  • Emissions IMO II, EU IW
  • Aspiration TTA
  • Bore 6.69 in (170 mm)
  • Stroke 7.48 in (190 mm)
  • Displacement 3161 in3 (51.8 L)
  • Rotation (from flywheel end) Counterclockwise or Clockwise
  • Configuration Vee 12, 4-Stroke-Cycle Diesel

Dimensions & Weights

  • Minimum Dry Weight 14400 lb (6532 kg)
  • Minimum Length 102 in (2590 mm)
  • Maximum Length 105.1 in (2669 mm)
  • Minimum Height 75 in (1904 mm)
  • Maximum Height 88.3 in (2242 mm)
  • Minimum Width 80.2 in (2037 mm)
  • Maximum Width 87.9 in (2232 mm)

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

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

Instrumentation

  • Graphical Unit (Color Marine Power Display) for analog or digital of:

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

Transitional Vibration Analysis

Packing

  • Shrink Wrap Protection
  • Storage Preservation with Glycol Solution/Vapor Corrosion Inhibitor
  • Export Boxing
  • Export Packaging

Parts Kits