C9 Generator Set

  • Exterior View
  • Exterior View

C9 Generator Set

Bore 4 in
Displacement 537 in³
Stroke 6 in
Aspiration Air to Air Aftercooled
Fuel System Hydraulic electronic unit injection
Minimum Rating 230 kVA
Engine Specifications
Bore 4 in
Displacement 537 in³
Stroke 6 in
Aspiration Air to Air Aftercooled
Fuel System Hydraulic electronic unit injection
Engine Model C9 ATAAC, I-6, 4-Stroke Water-Cooled Diesel
Compression Ratio 16.1:1
Governor Type Adem™A4
Aspiration Air to Air Aftercooled
Fuel System Hydraulic electronic unit injection
Bore 4 in
Displacement 537 in³
Stroke 6 in
Fuel System 6 in
Generator Set Specifications
Minimum Rating 230 kVA
Maximum Rating 330 kVA
Voltage 200 to 400 Volts
Frequency 50 Hz
Speed 1500 rpm
Emissions/Fuel Strategy EU Stage IIIA
Duty Cycle Standby, Prime
Generator Set Dimensions
Height - Maximum 74 in
Length - Maximum 157 in
Width - Maximum 48 in

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

R-Frame 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

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

GCCP1.3 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

Generator Features

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


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

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
  • Air Inlet System
    • Air cleaner, light duty with disposable paper filter
  • Control Panels
    • GCCP 1.3
  • Cooling System
    • Fan drive, battery charging alternator drive
    • Radiator and cooling fan with guard
    • Caterpillar extended life coolant
    • Coolant drain line with valve
  • Exhaust System
    • Stainless steel exhaust flex, gaskets, rain cap & SAE exhaust flange for customer use - shipped loose
  • Fuel System
    • Base, formed steel with single wall integral 8-hour fuel tank
    • Standard open set fuel tank/base supplied
  • Generators And Generator Attachments
    • 12 Leads
    • Mandatory option circuit breaker, IEC, 3 pole mounted in power centre
    • Voltage regulator (single phase sensing)
    • Segregated low voltage (AC/DC) wiring panel
    • IP23 Protection
    • Power centre, IP22
  • Governing System
    • Cat electronic governor (ADEM A4)
  • Lube System
    • Oil drain valves
    • Lubricating oil
    • Oil cooler
  • Mounting System
    • Includes lifting provisions and termination points for coolant and lube oil drain lines
    • Captive linear vibration isolators between base and engine-generator
  • Starting / Charging System
    • 24V battery with rack and cables
  • General
    • Engine and alternator re-paint, Caterpillar yellow
  • 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: Volt free contacts ; Local alarm horn ; Oil temperature displays
  • Cooling System
    • Radiator duct flange
    • Low coolant temperature alarm
  • Enclosures
    • Sound attenuated enclosure
    • High ambient sound attenuated enclosure
  • Exhaust System
    • 5 and 6 inch elbow kits
    • 5 - 6 inch flange adaptor
    • Mufflers - End in/end out; 10 dBA or 25 dBA attenuation
    • 6 inch flange
  • 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