DE55 GC (60 HZ) C3.3 | 50 kW Diesel Generator

Diesel Generator Sets C3.3 | DE55 GC

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Key Specs

60 Hz
60 Hz
Maximum Rating
50 ekW
50 ekW
Emissions/Fuel Strategy
Non Regulated
Non Regulated


50 ekW Diesel Generator Set

Producing reliable power of 50 ekW at 60 Hz, our DE55 GC diesel generator set is designed to meet ISO 8528-5 transient response requirements.


Saves up to 21% Installed Space

Requires less space for installation; leaves more room for your on-going operations

Up to 250 Events Logged

GCCP auto mains control panel provides access to historical alarms and operating indicators

Spare Parts 98% Fulfillment within 24 hours

World's best product support network ensures spare parts are readily available for maintenance and service needs

Product Specifications for C3.3 | DE55 GC

Frequency 60 Hz 60 Hz
Maximum Rating 50 ekW 50 ekW
Emissions/Fuel Strategy Non Regulated Non Regulated
Voltage 220 to 480 Volts 220 to 480 Volts
Minimum Rating 50 ekW 50 ekW
Speed 1800 rpm 1800 rpm
Duty Cycle Standby Standby
Engine Model Cat® C3.3, In-line 3, 4-cycle diesel Cat® C3.3, In-line 3, 4-cycle diesel
Bore 4.1 in 105 mm
Stroke 5 in 127 mm
Displacement 201.4 in³ 3.3 l
Compression Ratio 17.25:1 17.25:1
Aspiration Turbocharged Turbocharged
Fuel System Inline Inline
Governor Type Mechanical Mechanical
Length - Maximum 76.6 in 1945 mm
Width - Maximum 34.3 in 870 mm
Height - Maximum 48.7 in 1238 mm
Dry Weight - Genset (maximum) 2114 lb 959 kg

C3.3 | DE55 GC Standard Equipment


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

Genset Control

  • GCCP 1.1


  • Mechanical governor


  • A Frame standard alternator

Fuel Storage

  • Single wall 8 hour fuel tank


  • Cat GC enclosure

Air, Cooling & Exhaust

  • Enclosure silencer


  • Engine and alternator pre-paint, Caterpillar yellow

C3.3 | DE55 GC Optional Equipment


  • 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

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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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