C9 (50 HZ) | 230-330 kVA Diesel Generator

Diesel Generator Sets C9 (50 Hz)

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Key Specs

Maximum Rating
330 kVA
330 kVA
Minimum Rating
230 kVA
230 kVA
Emissions/Fuel Strategy


230 - 330 kVA Diesel Generator Set

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.


Integrated Cat® Product Link™ Control System

  • Track Genset Health and Operation Parameters
  • Genset 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

Product Specifications for C9 (50 Hz)

Maximum Rating 330 kVA 330 kVA
Minimum Rating 230 kVA 230 kVA
Emissions/Fuel Strategy EU Stage IIIA EU Stage IIIA
Voltage 220 to 480 Volts 220 to 480 Volts
Frequency 50 Hz 50 Hz
Speed 1500 rpm 1500 rpm
Duty Cycle Standby, Prime Standby, Prime
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
Length - Maximum 157 in 3988 mm
Width - Maximum 47.5 in 1207 mm
Height - Maximum 73.5 in 1867 mm

C9 (50 Hz) Standard Equipment

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


  • Engine and alternator re-paint, Caterpillar yellow

C9 (50 Hz) Optional Equipment


  • 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


  • 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

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