C9 Open Generating Set Rear Right
C9 Open Generating Set Rear Left
C9 Open Generating Set Front Right
C9 Open Generating Set Front Left
Enclosure
Enclosure
Diesel generator sets

C9 (50 Hz)

Producing reliable power from 230 to 330 kVA at 50 Hz, our C9 diesel generator sets designed to ISO 8528-5 transient response requirements. All C9 generator sets are engineered to EPA Stationary Emergency (Tier 3) emissions standards.

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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

Certifications

  • 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

Integrated Cat® Product Link™ Control System

Track Genset Health and Operation ParametersGenset Utilization and Performance Tracking

Remote Connectivity 24/7/365 Monitoring

Cat Connect option ensures your generator set is always ready to start and perform as expected

Optimised for 5% Lower Fuel Consumption

Longer run times between fuel fills; reduced operating costs

Generator Set Specifications
Standby Rating250/275/300/330 kVA
Prime Power Rating230/250/275/300 kVA
Emissions/Fuel StrategyNon-Certified Emissions / EU Stage IIIA
Voltage200 to 400 Volts
Frequency50 Hz
Speed1500 rpm
Duty CycleStandby, Prime
Engine Specifications
Engine ModelC9 ATAAC, I-6, 4-Stroke Water-Cooled Diesel
Bore4.41 in
Stroke5.87 in
Displacement537.01 in³
Compression Ratio16.1:1
AspirationAir to Air Aftercooled
Fuel SystemHydraulic electronic unit injection
Governor TypeAdem™A4
Generator Set Dimensions
Length - Maximum157 in
Width - Maximum47.5 in
Height - Maximum73.5 in

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
  • Electric Power Ratings Guide
    application/pdf
  • DE250E0 50 Hz 250 kVA, Non Certified Emissions Spec Sheet
    application/pdf
  • DE275E0 50 Hz 275 kVA, Non Certified Emissions Spec Sheet
    application/pdf
  • DE275E3 50 Hz 275 kVA, EU Stage IIIA Emissions Compliant Spec Sheet
    application/pdf
  • DE300E3 50 Hz 300 kVA, EU Stage IIIA Emissions Compliant Spec Sheet
    application/pdf
  • DE300E0 50 Hz 300 kVA, Non Certified Emissions Spec Sheet
    application/pdf
  • DE330E0 50 Hz 330 kVA, Non Certified Emissions Spec Sheet
    application/pdf
  • 250 - 330 ekW Spec Sheet
    application/pdf

Need installed dimensions with enclosure and tank? See Model Configurations