3612 (60 Hz)

Cat Diesel Engine

  • Reliable, rugged, durable design
  • Field-proven in thousands of applications worldwide
  • Four-stroke-cycle diesel engine combines consistent performance and excellent fuel economy with minimum weight
  • Generator

  • Matched to the performance and output characteristics of Cat engines
  • Industry leading mechanical and electrical design
  • Industry leading motor starting capabilities
  • High Efficiency
  • World Wide Product Support

    Cat dealers provide extensive post-sale support including maintenance and repair agreements. Cat dealers have over 1,800 dealer branch stores operating in 200 countries. The Caterpillar S•O•S℠ program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products

    Full Range of Attachments

    Wide range of bolt-on system expansion attachments, factory designed and tested Flexible packaging options for easy and cost effective installation

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    Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

    Generator Set Specifications

    • Minimum Rating 2750 ekW 2750 ekW
    • Maximum Rating 5320 ekW 5320 ekW
    • Frequency 60 Hz 60 Hz
    • Speed 720 & 900 RPM 720 & 900 RPM

    Generator Set Configurations

    • Emissions/Fuel Strategy Low Fuel Consumption Low Fuel Consumption

    Engine Specifications

    • Engine Model 3612 V-12,4-Stroke Water-Cooled Diesel 3612 V-12,4-Stroke Water-Cooled Diesel
    • Compression Ratio 13:1 13:1
    • Aspiration TA TA
    • Governor Type Generator Set Monitoring System (GMS) Generator Set Monitoring System (GMS)
    • Fuel System Direct unit injection Direct unit injection
    • Bore 11.0 in 280.0 mm
    • Displacement 1127.0 in³ 18.5 l
    • Stroke 11.8 in 300.0 mm
    • Total Displacement 13524.0 in³ 222.0 l

    3612 (60 Hz) Standard Equipment

    Air Inlet System

    • Aftercooler, fresh water, corrosion resistant coated (air side)
    • Air inlet shutoff
    • Air cleaner
    • Breather, crankcase, top-mounted
    • Turbocharger, watercooled, engine oil lubricated

    Cooling System

    • Engine coolant water drains
    • Front mounted turbos
    • Three-bundle oil cooler
    • Water temperature regulator
    • Jacket water thermostats

    Exhaust System

    • 457 mm (18 in) Cat bolt pattern
    • Dry, gas tight, exhaust manifold
    • Includes adapter, flexible exhaust fitting

    Fuel System

    • Simplex or duplex

    Generator System

    • Custom generator per generator data sheet completed by Dealer

    Governor System

    • UG actuator

    Lube System

    • Centrifugal oil filters with single shutoff
    • Service side engine mounted on cylinder block inspection covers
    • Wet oil sump. Includes engine-driven main lubrication & oil pumps, oil lines and oil pan
    • Oil filler and dipstick
    • Oil pressure regulating valve
    • Crankcase explosion relief valves

    Mounting System

    • Damper, torsional vibration
    • Engine and generator mounting

    Starting / Charging System

    • Vane type air starter
    • Two motors, engine mounted at rear, on left side
    • Air silencer
    • Line group for single point custom connection


    • Paint, Caterpillar yellow
    • Gear driven pumps: Fuel / Oil / Jacket water / Aftercooler / Oil cooler water

    3612 (60 Hz) Optional Equipment

    Air Inlet System

    • Soot Filter
    • Air cleaner louver assembly
    • Vertical Support Bracket
    • Heavy duty air cleaner
    • Air inlet adapter
    • Boost control valve

    Cooling System

    • Heat exchanger for single circuit
    • Heating aids
    • Cooling system aids
    • Auxiliary water pump
    • Expansion tank

    Exhaust System

    • Flexible exhaust fittings
    • Weld flange and related hardware

    Fuel System

    • Fuel priming pump
    • Duplex primary fuel strainer
    • Fuel system connections

    Generator System

    • 3 Phase, six leads, WYE
    • Class F insulation
    • Busbar connections
    • Winding temperature detectors
    • Anti-condensation space heaters

    Governor System

    • Electronic / Actuators
    • Digital programmers
    • Battery backup / Power supply
    • 230 UA
    • 723 Plus
    • EGB actuator

    Lube System

    • Oil pan drain valve
    • Lube ANSI adapter (Emergency connection)

    Mounting System

    • Isolator
    • Spring type vibration isolator
    • Vertically restrained
    • Non-vertically restrained

    Starting / Charging System

    • Pressure reducing valve
    • Compressed air flex hose
    • Turbine type air starters
    • Redundant air starters


    • Custom Paint Colors

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