C27 (60 Hz)

C27 Generator Set

The C27 diesel generator sets have been developed for your mission critical, standby and prime applications. Producing reliable power from 635 to 800 ekW at 60 Hz, each generator set has been designed to meet ISO 8528-5 transient response requirements and to take on 100 % rated load in one step. The C27 is certified as a low fuel consumption system as well as having a certificate for EPA Stationary Emergency (Tier 2).

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

SR5 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

EMCP 4 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

  • UL 2200
  • CSA
  • IBC seismic certification
  • OSHPD pre-approval

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

Standard Equipment

Air Inlet
  • Air cleaner; single element canister type with service indicator
Control Panel
  • EMCP 4.2B
  • Digital Indicators
  • Warning/shutdown Indicators
  • Programmable protective relaying functions
  • Communications
  • Features include:
Cooling System
  • Coolant level sensor
  • Coolant drain line with valve terminated on edge of base
  • ATAAC
  • Caterpillar extended life coolant
  • Radiator sized to 50 degrees C
  • Fan and belt guards drive
Exhaust System
  • 203 mm (8 in) ID round flanged outlet
  • Exhaust manifold - dry
Fuel System
  • Primary fuel filter with integral water separator
  • Electric fuel priming pump
  • Fuel cooler
  • Flexible fuel lines - installed
  • Secondary fuel filters
Generators and Attachments
  • Integrated voltage regulator (IVR) includes
  • For EPA Stationary Emergency (EPA Tier 2 Emissions) configurations:
  • Busbar connections:
  • SR5 Permanent magnet excitation (PMG) (PM)
  • For Low BSFC configurations:
Lube System
  • Standard volume oil pan - 68 Ltr
  • Lubricating oil
  • Oil drain lines and valve
  • Gear type lube oil pump
  • Oil filter, filler and dipstick
  • Fumes disposal - open crankcase ventilation routed to front of package
  • Integral lube Oil cooler
Mounting System
  • Rubber anti-vibration mounts - shipped loose
  • Rails - engine/generator/radiator mounting
Starting and Charging System
  • 24-Volt electric starting motor
  • Battery, rack and cables - shipped-loose
  • Battery disconnect switch
  • Charging alternator 45A
General
  • Paint - Caterpillar yellow with high gloss black rails & radiator
  • SAE standard rotation
  • Right hand servicing
  • Flywheel and flywheel housing-SAE No. 0 and SAE No. 18

Additional information

Offering Type

Generator Set Specifications - Maximum Rating

800 ekW

Generator Set Specifications - Minimum Rating

635 ekW

Generator Set Specifications - Emissions/Fuel Strategy

Low Fuel, Tier 2 Nonroad Equivalent

Generator Set Specifications - Voltage

208 to 600 Volts

Generator Set Specifications - Frequency

60 Hz

Generator Set Specifications - Speed

1800 rpm

Generator Set Specifications - Duty Cycle

Standby, Prime

Engine Specifications - Engine Model

C27 ATAAC, V-12, 4-Stroke, Water-Cooled Diesel

Engine Specifications - Bore

137.2 mm ( 5.4 in )

Engine Specifications - Stroke

152.4 mm ( 6 in )

Engine Specifications - Displacement

27.03 l ( 1649.47 in³ )

Engine Specifications - Compression Ratio

16.1:1

Engine Specifications - Aspiration

TA

Engine Specifications - Fuel System

MEUI

Engine Specifications - Governor Type

Adem™A4

Generator Set Dimensions - Length - Maximum

4674 mm ( 184 in )

Generator Set Dimensions - Width - Maximum

1723 mm ( 67.8 in )

Generator Set Dimensions - Height - Maximum

2162 mm ( 85.1 in )

  • Enclosures

    C27 and C32 Sound Attenuated Enclosure

    View Details
  • Control Panels

    EMCP 4.2B Control Panel

    View Details
  • Control Panels

    EMCP 4.3 Control Panel

    View Details
  • Control Panels

    EMCP 4.4 Control Panel

    View Details
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