3512BNon-Current

3512B

Overview

Cat 3512B Marine Auxiliary/Generator Set Engine

Specifications

Units: 
Minimum Rating
Maximum Rating
Aspiration TA
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Benefits & Features

Improved fuel economy

Reduced visible and gaseous emissions

Enhanced diagnostic and monitoring capabilities

  April 5, 2024

Specifications

Units: 
Power Rating
Minimum Rating
Maximum Rating
Engine Specifications
Aspiration TA
Stroke
Configuration Vee 12 4-Stroke-Cycle Diesel
Bore
Displacement
Dimensions & Weights
Maximum Height
Minimum Height
Maximum Length
Minimum Dry Weight
Minimum Length
Maximum Dry Weight
Maximum Width
Minimum Width

Benefits & Features

Improved fuel economy

Reduced visible and gaseous emissions

Enhanced diagnostic and monitoring capabilities

Increased rated output with no reduction in reliability

Standard Equipment

  • AIR INLET SYSTEM
    • Separate Circuit aftercooler core, corrosion resistant coated (air side)
    • Air cleaner, regular duty
    • Dual Turbochargers, 152 mm (6 in) OD straight connection
  • CONTROL SYSTEM
    • Caterpillar A-III Electronic Engine Control, LH with Electronic Unit Injector Fuel System
    • Rigid Wiring Harness
  • COOLING SYSTEM
    • Oil cooler
    • Thermostats and housing, full open temperature 92 C (198 F)
    • Jacket water pump, gear driven, centrifugal
    • Auxiliary fresh water pump
    • Expansion tank
    • Auxiliary sea water pump, centrifugal, non-self-priming
  • EXHAUST SYSTEM
    • Dry gas tight exhaust manifolds with heat shields
    • Dual Turbochargers with watercooled bearings and heat shields
    • Exhaust outlet, vertical, 305 mm (12 in) round flanged outlet on engines @ 1500 or 1800 rpm
    • Exhaust outlet, vertical, 203 mm (8 in) round flanged outlet on engines @ 1200 or 1000 rpm
  • FLYWHEELS & FLYWHEEL HOUSINGS
    • Flywheel, SAE No. 00, 183 teeth
    • Flywheel housing, SAE No. 00
  • FUEL SYSTEM
    • Fuel filter, RH, with service indicators
    • Fuel transfer pump
    • Electronically Controlled Unit Injectors
  • INSTRUMENTATION
    • Overspeed shutdown notification light
    • Emergency stop notification light
    • Graphical Unit (Marine Power Display) for analog or digital display of:
  • LUBE SYSTEM
    • Crankcase breather, Top mounted
    • Oil filter, RH
    • Oil filler and dipstick, RH
    • 500 hours sump oil pan
    • Oil pump, gear type
  • MOUNTING SYSTEM
    • Rails, engine mounting, engine length, industrial type, 254 mm (10 in), C-channel
  • POWER TAKE-OFFS
    • Accessory drive
    • Lower RH, Lower LH
    • Front housing, Two-sided
  • PROTECTION SYSTEM
    • A-III Electronic Monitoring System provides customer programmable engine de-ration strategies to protect against adverse operating conditions
    • Emergency stop push button (located in Electronic Instrument Panel) Safety shutoff protection:
  • GENERAL
    • Vibration damper and guard
    • Paint, Caterpillar Yellow engine with black rails.
    • Lifting eyes
    • NOTE: 1. Engines for heat exchanger cooling do NOT include heat exchanger. 2. When used with competitive generator, a TVA is recommended. An alternative vibration damper may be required. 3. Engine is wired for auto start stop

Optional Equipment

  • CHARGING SYSTEM
    • Battery Chargers
    • Charging Alternators
  • CONTROL SYSTEM
    • Caterpillar A-III Electronic Engine Control, LH with Electronic Unit Injector Fuel System
    • Rigid Wiring Harness (10 amp DC power required to drive Electronic Engine Control Module)
  • FUEL SYSTEM
    • Fuel Cooler
    • Fuel priming pumps (LH and RH)
    • Flexible fuel lines
    • Rigid Fuel Lines
    • Primary fuel filter
    • LH Fuel Filter
    • Duplex fuel filters
    • Fuel level switch
  • GENERATORS AND GENERATOR ATTACHMENTS
    • 1500 / 1800 RPM
    • 1000 / 1200 RPM
    • Low voltage connection
    • Generator conversion
    • Low voltage extension box
    • RFI filter
    • Bearing temperature detectors (RTD)
    • Manual voltage control
    • Air filter
  • INSTRUMENTATION
    • PL1000T Communication Module
    • Customer Interface Box
    • Thermocouples
    • Remote panel display
    • Remote cylinder temperature display
  • LUBE SYSTEM
    • Deep Sump Oil Pan
    • Oil Pan Drain Valve
    • Oil Pan Drain Cover
    • Emergency Lube Oil Connections
    • Sump pumps
    • Oil filters
    • Lubricating oil
    • Lube system
  • MOUNTING SYSTEM
    • Rails
  • POWER TAKE-OFFS
    • Flywheel Guard
    • Flexible Coupling
    • Coupling Hub
    • Upper Left Hand Front Location
    • Upper Left Hand Rear Location
    • Upper Right Hand Front Location
    • Upper Right Hand Rear Location
    • Lower Left Hand Front Location
    • Lower Left Hand Rear Location
    • Front Housing Accessory Drives
    • Upper LH Accessory Drive
    • Upper RH Accessory Drive
    • Front Power Take-offs
    • Crankshaft Pulleys
    • Damper Guard Removals
  • MARINE SOCIETY REQUIREMENTS
    • Spray Shielding
  • PROTECTION SYSTEM
    • Air inlet shutoffs
    • Switches and contactors
    • Explosion relief valve
    • Oil Temp Sensor
    • Intake Manifold Temp Sensor
  • SPECIAL APPEARANCE
    • Special appearance packages with chrome covers
    • Chrome plated relief valves
    • Black air cleaners
    • Yacht Class Finish
  • STARTING SYSTEM
    • Starting motors or barring divice
    • Air starting motors options
    • Starting aids
    • Battery sets - 24 volt - Dry
  • GENERAL
    • Tool set
    • Caterpillar datalink wire
  • SVCE TOOLS/SHIP PROT/FACTORY SUPPORT
    • FACTORY COMMISSIONING
  • PACKING
    • Shrink wrap protection
    • Shrink wrap protection - generator
    • Storage preservation with glycol solution/vapor corrosion inhibitor
    • Storage preservation with vapor corrosion inhibitor
    • Export packaging
    • AID emblem
  • EXHAUST SYSTEM
    • Horizontal Exhaust
    • Flexible fittings
    • Elbows
    • Flanges
    • Flange and exhaust expanders
    • Mufflers
  • AIR INLET SYSTEM
    • Remote Air Inlet Adapters
  • COOLING SYSTEM
    • Water level switch gauge
    • Coolant level sensors
    • Connections
    • Radiator cooling conversion
    • Keel Cooling Conversions
    • Heat exchangers
    • Auxiliary water pumps
    • Sea water pump removal
    • Air separator

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