3608 (50 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

    3608 (50 Hz) Standard Equipment

    Air Inlet System

    • Aftercooler, fresh water, corrosion resistant coated (air side)
    • Air inlet shutoff
    • Breather, crankcase, top-mounted
    • Turbocharger, watercooled (750 rpm and HFO), engine oil lubricated

    Cooling System

    • Engine coolant water drains
    • 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
    • One motor, 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

    3608 (50 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

    • 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
    • 2301 A load share
    • 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


    • Custom paint colors

    Select Units


    The 3608 diesel generator sets have been developed to meet your continuous, standby and prime applications and match your power standards. Producing reliable power from 2363 to 3575 kVA at 50 Hz, and each generator set has been designed to meet ISO 8528-5 transient response requirements and accepts 100 percent rated load in one step. The 3608 generator set is designed for low fuel consumption, reducing operating costs employing either Simplex or Duplex systesm. It's not just quality that matters but customization, choose from a broad range of accessories and bolt-on system expansion attachments. Discover our flexible packaging to fit unique spatial requirements and environmental conditions. Our 3608 generator sets are developed for such prerequisites, so that you can meet your specific power needs. 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 2363 kVA 2363 kVA
    • Maximum Rating 3575 kVA 3575 kVA
    • Emissions/Fuel Strategy Low Fuel Consumption Low Fuel Consumption
    • Frequency 50 Hz 50 Hz
    • Speed 750 & 1000 rpm 750 & 1000 rpm
    • Duty Cycle Standby, Prime, Continuous Standby, Prime, Continuous

    Engine Specifications

    • Engine Model 3608 I-8,4-Stroke Water-Cooled Diesel 3608 I-8,4-Stroke Water-Cooled Diesel
    • Bore 11.0 in 280.0 mm
    • Stroke 11.8 in 300.0 mm
    • Displacement 9064.0 in³ 148.0 l
    • Compression Ratio 13:01 13:01
    • Aspiration TA TA
    • Fuel System Direct unit injection Direct unit injection
    • Governor Type Generator Set Monitoring System (GMS) Generator Set Monitoring System (GMS)

    Generator Set Dimensions

    • Length - Maximum 404.0 in 10261.7 mm
    • Width - Maximum 99.62 in 2530.3 mm
    • Height - Maximum 156.6 in 3977.7 mm
    • Dry Weight - Genset (maximum) 91050.0 lb 41390.0 kg
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