Electric Power

  • Specs Summary
  • Minimum Rating
    24.0 kVA
  • Maximum Rating
    65.0 kVA
  • Prime
  • Standby

C3.3 Generator Set

Providing reliable energy solutions, our C3.3 diesel generator sets are made to meet your standby and prime applications. Dedicated single phase and three phase models are available. All standby C3.3 generator sets are supplied with 4 years extended service coverage as standard. We've designed each to ISO 8528-5 transient response requirements. C3.3 generator sets are available with a choice of emissions levels from non regulated up to EU Stage IIIA emissions compliant. We offer easy-to-use Cat control panels, EMCP 4.1 or EMCP 4.2 options. Browse a broad range of accessories including galvanised sound attenuated enclosures and integral fuel tanks. Our C3.3 generator sets are made for demands, so you can make yours.

Generator Set Specifications

  • Minimum Rating 24.0 kVA
  • Maximum Rating 65.0 kVA
  • Voltage 110 to 480 Volts
  • Frequency 50 Hz
  • Speed 1500 RPM

Generator Set Configurations

  • Emissions/Fuel Strategy Non Regulated, EU Stage II and EU Stage IIIA

Engine Specifications

  • Engine Model Cat® C3.3
  • Bore 4.1 (105 )
  • Displacement 201.4 (3.3 )
  • Stroke 5 (127 )
  • Compression Ratio 17.25:1, 19.25:1
  • Governor Type Mechanical
  • Fuel System Direct Injection

Generator Set Dimensions

Standard Equipment

Air Inlet System

  • Air cleaner; light duty with disposable element

Control Panel

  • EMCP4.1 control panel

Cooling System

  • Radiator and cooling fan with guards
  • Coolant drain line with valve
  • Fan and belt guards
  • Fan drive, battery charging alternator drive
  • Caterpillar Extended Life Coolant

Exhaust System

  • Stub pipe, gaskets, raincap & SAE exhaust flange

Fuel System

  • Standard Open set Fuel tank / base supplied
  • Base, formed steel with single wall integral 8-hour fuel tank

Generators and attachments

  • 12 leads
  • IP23 Protection
  • Voltage Regulator (single phase sensing)
  • Tower Panel, IP22, bottom cable entry
  • Segregated low voltage (AC/DC) wiring panel
  • Circuit breaker, IEC, 3 pole, mounted in Tower Panel

Governing System

  • Mechanical and electrical governing system - model dependant

Lube System

  • Lubricating oil
  • Oil drain line with valve

Mounting System

  • Captive linear vibration isolators between base and engine-generator
  • Includes lifting provision and drag points
  • Termination points for coolant and lube oil drain lines

Starting / Charging System

  • 12V Battery with rack & cables


  • Engine and alternator pre-paint, Caterpillar Yellow

Optional Equipment

Circuit Breakers

  • Circuit breaker upgrades

Control Panels

  • ECMP 4.2
  • Emergency stop with key
  • Control panel heater

Cooling System

  • Coolant heater
  • Low coolant temperature alarm
  • Low coolant level shutdown


  • Sound attenuated level 2 enclosure
  • Sound attenuated level 1 galvanized enclosure

Alternator System

  • Alternator removals
  • R frame auxilliary winding
  • Optional LC frame alternator
  • Optional LC frame alternator with coastal insulation protection
  • Alternator options

Lube System

  • Oil level regulator
  • Oil pan
  • Prelube manual sump pump

Mounting Options

  • Electronic governor
  • Battery removal
  • External single point lift - enclosure
  • Residential silencer
  • Silencer installation kit

Power Connections

  • Low voltage connection cables
  • Neutral grounding connection
  • Center post busbar

Starting and Charging System

  • Battery charger


  • Stone guards / Radiator trans flange
  • Special paint


  • European 'CE' certification

Rental options

  • Rental pack (CAE only)
  • CEE form sockets for enclosure
  • Socket blanking place

Fuel System

  • Open set narrow tankbase
  • Compact skidbase for open sets
  • Skidbase for CALG enclosure sets
  • Bunded fuel tank
  • Low fuel level shutdown
  • High fuel level alarm