C3.3 | DE55 GC

DE55 GC Generator Set (60 Hz)

The Cat® C3.3 diesel generator sets have been developed for standby applications, delivering reliable power from 50 ekW at 60 Hz, meeting ISO 8528-5 transient response requirements.

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Specifications

NameTypeValueUnit Value (Imperial)Unit NameUnit Value (Metric)Unit Name (Metric)
Standby Ratingtext50 ekW
Frequencytext60 Hz
Maximum Ratingtext50 ekW

View All Specifications (20)

Documents & Spec Sheets

Electric Power Ratings Guide

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DE55 GC Spec Sheet

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Features & Benefits

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
A-Frame 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 1.1 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
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
  • CE Certification Available
  • CIS Certification Available
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
Worldwide Product Support
  • Cat dealers have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements

Complete Specifications

Generator Set Specifications

NameTypeValueUnit Value (Imperial)Unit NameUnit Value (Metric)Unit Name (Metric)
Standby Ratingtext50 ekW
Frequencytext60 Hz
Maximum Ratingtext50 ekW
Emissions/Fuel StrategytextLow BSFC
Voltagetext220 to 480 Volts
Minimum Ratingtext50 ekW
Speedtext1800 rpm
Duty CycletextStandby
Engine ModeltextCat® C3.3, In-line 3, 4-cycle diesel
Boremeasurement4.1in105mm
Strokemeasurement5in127mm
Displacementmeasurement201.4in³3.3l
Compression Ratiotext17.25:1
AspirationtextTurbocharged
Fuel SystemtextInline
Governor TypetextMechanical
Length - Maximummeasurement76.6in1945mm
Width - Maximummeasurement34.3in870mm
Height - Maximummeasurement48.7in1238mm
Dry Weight - Genset (maximum)measurement2114lb959kg

Standard Equipment

Engine

  • C3.3, Inline 3 cylinder, 4 stroke diesel

Genset Control

  • GCCP 1.1

Governor

  • Mechanical governor

Alternator

  • A Frame standard alternator

Fuel Storage

  • Single wall 8 hour fuel tank

Enclosure

  • Cat GC enclosure

Air, Cooling & Exhaust

  • Enclosure silencer

General

  • Engine and alternator pre-paint, Caterpillar yellow

Optional Equipment

Certification

  • Australia, CIS, Gulf Certification
  • Certificate of Conformance

Alternator Requirements

  • Space heater

Auxiliary Supply Voltage

  • 120V

Fuel Storage

  • Dual wall 8 hour fuel tank
  • Low fuel level shutdown
  • Single wall tank with containment
  • Low fuel level alarm
  • High fuel level alarm

Genset Control

  • Battery charger
  • Volt free contacts for genset running
  • Volt free contacts for common alarm
  • Emergency stop with key
  • Earth leakage
  • USB to RS485 Communications device
  • Earth fault
  • Panel mounted audible alarm
  • Battery
  • Standby Pack (Smart Jacket water heater, Battery charger)
  • Coolant heater
  • Low coolant level shutdown

Circuit breaker

  • 3 Pole Circuit breaker 63A
  • 3 Pole Circuit breaker 80A
  • 3 Pole Circuit breaker 100A
  • 3 Pole Circuit breaker 125A
  • 3 Pole Circuit breaker 160A
  • 3 Pole Circuit breaker 200A
  • 4 Pole Circuit breaker 63A
  • 4 Pole Circuit breaker 80A
  • 4 Pole Circuit breaker 100A
  • 4 Pole Circuit breaker 125A
  • 4 Pole Circuit breaker 160A
  • 4 Pole Circuit breaker 200A
  • Circuit breaker padlock
  • Neutral earth link
  • Overload via alarm switch on breaker

Testing & Packaging

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

Package

  • Open Set

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