C3.3 (60 HZ) | 27-60 kW Diesel Generator

Diesel Generator Sets C3.3 (60 Hz)

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Key Specs

Maximum Rating
60 ekW
60 ekW
Minimum Rating
27 ekW
27 ekW
Emissions/Fuel Strategy
EU Stage II & R96/EUIIIa
EU Stage II & R96/EUIIIa


27 - 60 ekW Diesel Generator Set

Producing reliable power from 27.0 to 60.0 ekW at 60 Hz, our C3.3 diesel generator sets designed to ISO 8528-5 transient response requirements. All C3.3 generator sets are R96/EUIIIa equivalent emissions compliant.


Suitable for Harsh & Testing environments

Optimised for 5% Lower Fuel Consumption

Longer run times between fuel fills; reduced operating costs

Reliability tested for min. 500 Hours

Ensures you can count on emergency power when it is needed

Product Specifications for C3.3 (60 Hz)

Maximum Rating 60 ekW 60 ekW
Minimum Rating 27 ekW 27 ekW
Emissions/Fuel Strategy EU Stage II & R96/EUIIIa EU Stage II & R96/EUIIIa
Voltage 110 to 480 Volts 110 to 480 Volts
Frequency 60 Hz 60 Hz
Speed 1800 rpm 1800 rpm
Duty Cycle Standby, Prime Standby, Prime
Engine Model Cat® C3.3 Cat® C3.3
Bore 4.1 in 105 mm
Stroke 5 in 127 mm
Displacement 201.4 in³ 3.3 l
Compression Ratio 17.25:1, 19.25:1 17.25:1, 19.25:1
Aspiration Turbocharged Turbocharged
Fuel System Direct Injection Direct Injection
Governor Type Mechanical Mechanical
Length - Maximum 43.9 in 1115 mm
Width - Maximum 38.2 in 970 mm
Height - Maximum 53.6 in 1361 mm

C3.3 (60 Hz) Standard Equipment

Air Inlet System

  • Air cleaner; light duty with disposable element

Control Panel

  • GCCP 1.3

Cooling System

  • Coolant drain line with valve
  • Caterpillar extended life coolant
  • Radiator and cooling fan with guards
  • Fan drive, battery charging alternator drive

Exhaust System

  • 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

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

Governing System

  • Mechanical governing system - model dependant
  • Mechanical and electrical governing system - model dependant

Lube System

  • Lubricating oil
  • Oil drain line with valve

Mounting System

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

Starting / Charging System

  • 12V Battery with rack & cables


  • Engine and alternator pre-paint, Caterpillar yellow

C3.3 (60 Hz) Optional Equipment

Alternator System

  • LC Frame alternator
  • Anti-condensation heater
  • Permanent magnet excitation (PMG)
  • LC Frame alternator with coastal protection
  • R Frame auxilliary winding


  • Alternator removal options

Circuit breakers

  • 4 Pole Circuit breaker to 250A
  • Padlockable breaker device

Control Panels

  • GCCP 1.3

Control Panel Options

  • Overload shutdown via breaker
  • Volt free contacts
  • Earth leakage (2 wire only)
  • Speed adjust potentiometer
  • Voltage adjust potentiometer
  • Battery charger
  • Control panel heater
  • Earth fault (2 wire only)
  • Panel mounted audible alarm
  • Emergency stop with key

Cooling System

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


  • European upgrade to STD set for "CE"
  • Global certification for CIS


  • CEE for sockets for enclosure
  • Socket blanking plate
  • Sound attenuated level 1 enclosure (GALV)
  • Sound attenuated level 2 enclosure CE
  • Rental pack (CAE only)

Fuel System

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

Mounting Options

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

Special Packing Inspections

  • PGS Test report @ 0.8 power factor
  • PGS Test report @ 1.0 power factor


  • Stone guards/rad trans flange
  • Packing case - compact set
  • Packing case - canopied set

See how C3.3 (60 Hz) compares against frequently compared products.

Service Agreement (Cat® CVA & LTSA)

Experience hassle-free ownership and predictable expenses with flexible Customer Value Agreements, which include Long-Term Service Agreements.

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Cat RAM and Condition Monitoring

Observe and manage your fleet from anywhere with Cat RAM, and benefit from real-time monitoring by expert advisors with Condition Monitoring.

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Shop for genuine and Cat Reman parts online, with access to price, inventory, and 24/7 expert support.

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Maintenance and Repairs

Retain genset value with maintenance, upgrade kits, and repair options that extend lifecycles, optimise performance, and help you control costs.

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Media Gallery

C3.3 open set Rear Right

C3.3 open set Rear Left


C3.3 Open Set

C3.3 Enclosure

C3.3 Enclosure

C3.3 open set Rear Right
C3.3 open set Rear Left
C3.3 Open Set
C3.3 Enclosure
C3.3 Enclosure

360 View
360 View