C9 (60 Hz)

C9 (60 Hz)

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

Maximum Rating 300 ekW 300 ekW
Minimum Rating 180 ekW 180 ekW
Emissions/Fuel Strategy Low Fuel, Tier 3 Low Fuel, Tier 3

Technicial Specifications

Generator Set Specifications
Maximum Rating 300 ekW 300 ekW
Minimum Rating 180 ekW 180 ekW
Emissions/Fuel Strategy Low Fuel, Tier 3 Low Fuel, Tier 3
Voltage 220 to 480 Volts 220 to 480 Volts
Frequency 60 Hz 60 Hz
Speed 1800 rpm 1800 rpm
Duty Cycle Standby, Prime Standby, Prime
Engine Specifications
Engine Model C9 ATAAC, I-6, 4-Stroke Water-Cooled Diesel C9 ATAAC, I-6, 4-Stroke Water-Cooled Diesel
Bore 4.41 in 112 mm
Stroke 5.87 in 149 mm
Displacement 537.01 in³ 8.8 l
Compression Ratio 16.1:1 16.1:1
Aspiration Air to Air Aftercooled Air to Air Aftercooled
Fuel System Hydraulic electronic unit injection Hydraulic electronic unit injection
Governor Type Adem™A4 Adem™A4
Generator Set Dimensions
Length - Maximum 157 in 3988 mm
Width - Maximum 47.5 in 1207 mm
Height - Maximum 73.5 in 1867 mm

Advantages and Features

Cat Generator Set Package

  • Cat generator set packages have been fully prototype tested
  • Accepts 100% block load in one step and meets NFPA 110 loading requirements
  • Conform to ISO 8528-5 steady state and transient response requirements

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

SR5 Alternator

  • Superior motor starting capability minimizes need for oversizing alternator
  • Designed to match performance and output characteristics of Cat diesel engines
  • Robust Class H insulation

GCCP 1.3 Control Panel

  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Expansion modules and site-specific programming for specific customer requirements

Cooling System

  • Designed to operate in standard ambient temperatures up to 55°C (131°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities


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

One Safe Source

  • Components used in the generator set are selected based on seamless design integration to provide the optimum performance
  • The generator set is fully assembled at a Caterpillar facility following our quality guidelines
  • Each generator set package is tested before leaving the Caterpillar facility
  • Cat product support, including dealer service, parts and warranty covers the entire Cat power system

Worldwide Product Support

  • Cat dealers have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements

Standard Equipment

  • Air Inlet System
    • Turbocharger
    • Air cleaner, light duty with disposable paper filter
    • Aftercooler core
  • Exhaust System
    • Exhaust manifold - dry
    • Stainless steel exhaust flex, gaskets, rain cap & SAE exhaust flange for customer use - shipped loose
  • Control Panels
    • GCCP 1.3
  • Cooling System
    • Caterpillar extended life coolant
    • Fan drive, battery charging alternator drive
    • Coolant drain line with valve
    • Radiator and cooling fan with guard
  • Fuel System
    • Standard open set fuel tank/base supplied
    • Fuel cooler
    • Primary fuel filter w/integral water separator and secondary filter
    • Base, formed steel with single wall integral 8-hour fuel tank
    • Fuel priming pump
  • Generators and Generator Attachments
    • Mandatory option circuit breaker, IEC, 3 pole mounted in power centre
    • IP23 Protection
    • 12 Leads
    • Segregated low voltage (AC/DC) wiring panel
    • Insulation Class H and temperature rise
    • Power centre, IP22
    • Brushless, self-excited 2/3 pitch, random wound
    • Voltage regulator (single phase sensing)
  • Governing System
    • Cat electronic governor (ADEM A4)
  • Mounting System
    • Captive linear vibration isolators between base and engine-generator
    • Includes lifting provisions and termination points for coolant and lube oil drain lines
  • Starting / Charging System
    • 24V battery with rack and cables
  • General
    • Engine and alternator re-paint, Caterpillar yellow
  • Lube System
    • Oil cooler
    • Oil drain valves
    • Fumes disposal, piped to front of radiator
    • Lubricating oil
    • Oil filter and dipstick
    • Oil drain lines with valve; piped to edge of base

Optional Equipment

  • Certifications
    • European Certificate for Conformance
    • Global Certification for CIS
  • Air inlet system
    • Single element air cleaner
  • Circuit breakers
    • 4 Pole (IEC-100% rated) Circuit breaker upgrades: 400, 630, 800 and 100 amps
  • Control Panels
    • Control panel protective devices: Earth fault relay ; Earth leakage ground fault ; overload shutdown via breaker ; Low fuel level shutdown ; Low fuel level alarm ; Fuel level sensor
    • Control panel Options: GCCP 1.4 ; Volt free contacts ; Local alarm horn ; Oil temperature displays
  • Cooling System
    • Radiator duct flange
    • Low coolant temperature alarm
  • Enclosures
    • High ambient sound attenuated enclosure
    • Sound attenuated enclosure
  • Exhaust System
    • 5 - 6 inch flange adaptor
    • 6 inch flange
    • Mufflers - End in/end out; 10 dBA or 25 dBA attenuation
    • 5 and 6 inch elbow kits
  • Fuel System
    • Integral dual wall fuel tank base
  • Generators and Attachments
    • Permanent magnet excitation (PMG) generator
    • Oversize, AREP, CIP generators
  • Mounting System
    • Narrow skid base
  • Starting / Charging System
    • Jacket water heater
    • 5 Amp single Battery charger
    • Battery disconnet switch