C15 Rear Right
C15 Rear Left
C15 Front Right
C15 Rear Left
Enclosure
C15 Enclosure
Diesel generator sets

C15 (50 Hz)

The C15 diesel generator sets have been developed for your mission critical, standby and prime applications. Producing reliable power from 365 to 550 kVA at 50 Hz, meeting ISO 8528-5 transient response requirements and built to accept 100 % rated load in one step. The engines are certified Low Fuel Consumption, U.S. EPA Certified for Stationary Emergency Use Only (Tier 2 or Tier 3 Nonroad Equivalent Emission Standards), EU Stage IIIA Nonroad Emission Standards, China Nonroad III Emission Standards Emissions / Fuel Strategy.

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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

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 1.3 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

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

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

Certification

Integrated Cat® Product Link™ Control System

Track Genset Health and Operation ParametersGenset Utilization and Performance Tracking

Remote Connectivity 24/7/365 Monitoring

Cat Connect option ensures your generator set is always ready to start and perform as expected

Optimised for 5% Lower Fuel Consumption

Longer run times between fuel fills; reduced operating costs

Generator Set Specifications
Standby Rating500/550 kVA
Prime Power Rating450/500 kVA
Emissions/Fuel StrategyLow BSFC / EU Stage IIIA / Non-Certified Emissions
Voltage208 to 600 Volts
Frequency50 Hz
Speed1500 rpm
Duty CycleStandby, Prime
Engine Specifications
Engine ModelC15 ATAAC, I-6, 4-Stroke Water-Cooled Diesel
Bore5.4 in
Stroke6.75 in
Displacement927.56 in³
Compression Ratio16.1:1
AspirationAir to Air Aftercooled
Fuel SystemMEUI
Governor TypeAdem™A4
Generator Set Dimensions
Length - Maximum150.8 in
Width - Maximum58.3 in
Height - Maximum86.3 in

Air System

  • Turbocharger
  • Aftercooler core
  • Air cleaner - Non canister disposable paper filter

Air Inlet

  • Air cleaner

Control Panel

  • GCCP 1.3

Cooling

  • Package mounted radiator

Cooling System

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

Exhaust

  • Base, formed steel with single wall integral 8-hour fuel tank
  • Standard open set fuel tank/base supplied

Fuel

  • Primary fuel filter with integral water separator
  • Secondary fuel filters
  • Fuel priming pump

Fuel System

  • Engine fuel transfer pump
  • Primary fuel filter w/integral water separator and secondary filter
  • Fuel priming pump
  • Flexible fuel lines
  • Fuel cooler

Generator

  • Matched to the performance and output characteristics of Cat engines
  • IP23 Protection
  • Load adjustment module provides engine relief upon load impact and improves load acceptance and recovery time

Power Termination

  • Busbar

Generator and Attachments

  • Mandatory option circuit breaker, IEC, 3 pole, mounted in power centre
  • Optional LC Frame generator - IP23 Protection
  • Segregated low voltage (AC/DC) wiring panel
  • Integrated voltage regulator (IVR)
  • Power center, IP22

Mounting

  • Rubber vibration isolators

Governing System

  • Cat electronic governor (ADEM A4).

Lube System

  • Oil cooler
  • Oil drain valves

Mounting System

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

Starting/Charging

  • 24 Volt battery with rack and cables

General

  • Engine and alternator pre paint, Caterpillar yellow
  • Electric Power Ratings Guide
    application/pdf
  • DE500E0, 50 Hz 550 kVA, EU III Certified Emissions Compliant Spec Sheet
    application/pdf
  • DE500E0, 50 Hz 500 kVA, Non Certified Emissions Spec Sheet
    application/pdf
  • C15 50 Hz 360 ekW, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
  • C15 50 Hz 400 ekW, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
  • C15 50 Hz 440 ekW, Low BSFC Emissions Compliant Spec Sheet
    application/pdf
  • 500 - 550 kVA 50/60 Hz Spec Sheet
    application/pdf

Need installed dimensions with enclosure and tank? See Model Configurations