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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
  • Cat EMCP Control Panel

    The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4 systems can be further customized to meet your needs through programming and expansion modules.

    Design Criteria

    The generator set meets transient response and block loading steps as per ISO 8528-5.

    Single-Source Supplier

    Fully prototype tested with certified torsional vibration analysis available

    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


    Producing reliable power from 455 ekW to 600 ekW at 60 Hz, our C18 diesel generator sets are made to meet your standby and prime applications. Each is designed to ISO 8528-5 transient response requirements and built accept 100 percent rated load in one step. Seismic certification is also available for select models, so you can deliver power despite disturbances. Our integrated control system, including ATS and switchgear ensure a consistent power supply and connection to your fleet through on-site and remote monitoring options. We offer a wide range of EMCP 4 control panel options, with a simple screen display, consolidating all your management and diagnostics tools. The EMCP 4.4 controller provides on package paralleling capability, allowing you to use multiple generator sets to power your facility, providing added capacity and redundancy. We've made our generator sets adaptable to your demands with a broad range of accessories and bolt-on system expansion attachments. Find flexible packaging to fit your spatial restrictions and environmental conditions.

    Generator Set Specifications

    Minimum Rating 455 ekW 455 ekW Less
    Maximum Rating 600 ekW 600 ekW Less
    Voltage 208 to 600 Volts 208 to 600 Volts Less
    Frequency 60 Hz 60 Hz Less
    Speed 1800 RPM 1800 RPM Less

    Generator Set Configurations

    Emissions/Fuel Strategy Low Fuel Consumption Low Fuel Consumption Less

    Engine Specifications

    Engine Model C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel Less
    Bore 145 mm (5.71 in) 145 mm (5.71 in) Less
    Displacement 18.13 L (1106.36 in3) 18.13 L (1106.36 in3) Less
    Stroke 183 mm (7.2 in) 183 mm (7.2 in) Less
    Compression Ratio 14.5:1 14.5:1 Less
    Aspiration Air to Air Aftercooled Air to Air Aftercooled Less
    Governor Type Adem™A4 Adem™A4 Less
    Fuel System Electronic unit injection Electronic unit injection Less