C3.3 open set Rear Right
C3.3 open set Rear Left
C3.3
C3.3 Open Set
C3.3 Enclosure
C3.3 Enclosure
Diesel generator sets

C3.3 (60 Hz)

The Cat® C3.3 diesel generator sets deliver reliable power ranging from 40 to 60 ekW at 60 Hz for standby and prime applications, and are designed to meet ISO 8528-5 transient response requirements while complying with regional emission 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

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

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

GCCP 1.3 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
  • Image may not be a representative of actual product

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

Certifications

  • Designed to meet applicable global standards including ISO 8528, ISO 3046 and IEC 60034-1, with CE, UKCA and EAC conformity available depending on configuration and market.

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

Proven, reliable power for your business

Optimized footprint for space savings

24x7 Asset monitoring

Generator Set Specifications
Standby Rating45/50/60 ekW
Prime Power Rating40/45/55 ekW
Emissions/Fuel StrategyLow BSFC / EU Stage II / EU Stage IIIA
Voltage110 to 480 Volts
Frequency60 Hz
Speed1800 rpm
Duty CycleStandby, Prime
Engine Specifications
Engine ModelCat® C3.3
Bore4.1 in
Stroke5 in
Displacement201.4 in³
Compression Ratio17.25:1, 19.25:1
AspirationTurbocharged
Fuel SystemDirect Injection
Governor TypeMechanical
Generator Set Dimensions
Length - Maximum43.9 in
Width - Maximum38.2 in
Height - Maximum53.6 in

Air Inlet System

  • Standard light duty air cleaner

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

  • Integral single / dual wall
  • 1000L single/dual wall tank

Generators and Generator Attachments

  • Circuit breaker, IEC, 3 pole, mounted in tower panel
  • IP23 Protection
  • Voltage regulator (single phase sensing)

Lube System

  • Lubricating oil
  • Oil drain line with valve

Mounting System

  • 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

  • Standard battery

General

  • Engine and alternator pre-paint, Caterpillar yellow

Telematics

  • Cat® Product Link™ PL444 cellular
  • Electric Power Ratings Guide
    application/pdf
  • DE33E0, 50 Hz 33.0 kVA, 60 Hz 37.5 LC Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
  • DE33E3, 50 Hz 33.0 kVA, LC Frame, EUIII Emissions Compliant Spec Sheet
    application/pdf
  • DE50E0, 50 Hz 50.0 kVA, 60 Hz 56.3 LC Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
  • DE50E2, 50 Hz 55.0 kVA, LC Frame, EU II Emissions Compliant Spec Sheet
    application/pdf
  • DE65E0, 50 Hz 65.0 kVA, 60 Hz 75.0 LC Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
  • DE55E0, 50 Hz 55.0 kVA, 60 Hz 62.5 LC Frame, Low BSFC Emissions Compliant Spec Sheet
    application/pdf

Need installed dimensions with enclosure and tank? See Model Configurations