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Diesel Generator Sets

Caterpillar and your local Cat® Dealer are ready for all your power generation demands. From diesel and gas generator sets to uninterruptible power supplies, automatic transfer switches and electrical switchgear, our experienced worldwide dealer network can deliver the power systems and support you need.

C3.3 Generator Set

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

  • Specification Summary

  • Minimum Rating24.0 kVA
  • Maximum Rating65.0 kVA
  • Voltage110 to 480 Volts
  • Frequency50 Hz
  • Speed1500 RPM
  • Specification Sheet


Product Details

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 105
Displacement 3.3
Stroke 127
Compression Ratio 17.25:1, 19.25:1
Governor Type Mechanical
Fuel System Direct Injection
  • 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 drive, battery charging alternator drive
    •  Caterpillar extended life coolant
  • Exhaust System
    •  Stub pipe, gaskets, raincap & SAE exhaust flange for customer use; shipped loose
  • Stub pipe, gaskets, raincap & SAE exhaust flange for customer use; shipped loose
    • Fuel System
      •  Standard open set fuel tank / base supplied
      •  Base, formed steel with single wall integral 8-hour fuel tank
    • Generators and Generator Attachments
      •  12 leads
      •  IP23 Protection
      •  Voltage regulator (single phase sensing)
      •  Tower panel, IP22, bottom cable entry
      •  Circuit breaker, IEC, 3 pole, mounted in tower panel
      •  Segregated low voltage (AC/DC) wiring panel
    • 12 leads
      • IP23 Protection
        • Voltage regulator (single phase sensing)
          • Tower panel, IP22, bottom cable entry
            • Circuit breaker, IEC, 3 pole, mounted in tower panel
              • Segregated low voltage (AC/DC) wiring panel
                • Governing System
                  •  Mechancial governing system - model dependant
                • Mechancial governing system - model dependant
                  • Lube System
                    •  Lubricating oil
                    •  Oil drain line with valve
                  • Mounting System
                    •  includes lifting provisions and termination points for coolant
                    •  Captive linear vibration isolators between base and engine-generator
                    •  Termination points for coolant and lube oil drain lines
                  • Starting / Charging System
                    •  12V battery with rack and cables
                  • General
                    •  Engine and alternator pre-paint, Caterpillar Yellow
                  • Alternator
                    •  Alternator removal options
                    •  R frame auxilliary winding - SE AUx Alt 01, 02 and 03
                    •  LC frame alternator
                    •  LC frame alternator with coastal protection
                    •  Permanent magnet
                    •  Anti-condensation heater
                  • Circuit Breakers
                    •  4 Pole circuit breaker
                  • 4 Pole circuit breaker
                    • Control Panel Options
                      •  Volt free contacts for common alarm
                      •  Volt free contacts for genset running
                      •  Speed adjust potentiometer - requires electronic govenor
                      •  Voltage adjust potentiometer
                      •  Panel mounted audible alarm
                      •  Earth fault (2 wire only)
                      •  Earth leakage (2 wire only)
                      •  Overload shutdown via breaker
                      •  Battery charger
                      •  Emergency stop with key
                      •  Control panel heater
                    • Cooling System
                      •  Coolant heater
                      •  Low coolant temperature alarm
                      •  low coolant level shutdown
                    • Global Certifications
                      •  Certification for CIS
                    • Enclosures
                      •  Sound attenuated level 2 enclosure CE
                      •  Sound attenuated level 1 enclosure (GALV)
                    • European Certifications
                      •  Upgrade to STD set for "CE"
                    • Upgrade to STD set for "CE"
                      • Fuel System
                        •  Open set narrow tankbase
                        •  Compact skidbase for open sets
                        •  Skidbase for CALG enclosure sets
                        •  DEFRA bunded fuel tank
                        •  Low fuel level shutdown
                        •  Low fuel level alarm
                        •  High fuel level alarm
                      • Mounting Options
                        •  Electronic governor
                        •  Battery removal
                        •  Industrial silencer removal
                        •  Residential Silencer
                        •  Silencer installation kit
                      • Rental Options
                        •  External single point lift - enclosure
                        •  Rental pack (CAE only)
                        •  CEE form sockets for enclosure
                        •  Socket blanking plate
                      • General
                        •  Stone guards / rad trans flange
                        •  Packing case, compact set
                        •  Packing case compact set, canopied
                      • Stone guards / rad trans flange
                        • Packing case, compact set
                          • Packing case compact set, canopied

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