C27 (60 HZ)

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

Generator Set Specifications
Height - Maximum 85.1 in
Length - Maximum 184
Width - Maximum 67.8 in
Minimum Rating 680 ekW
Maximum Rating 800 ekW
Voltage 208 to 600
Frequency 60 Hz
Speed 1800 rpm

Generator Set Configurations
Emissions/Fuel Strategy Low Fuel Consumption, U.S. EPA Certified for Stationary Emergency Use Only (Tier 2 Nonroad Equivalent Emission Standards)

Engine Specifications
Engine Model C27 ATAAC, V-12, 4-Stroke, Water-Cooled Diesel
Compression Ratio 16.5:1
Aspiration TA
Governor Type Adem™A4
Fuel System MEUI
Bore 5.4 in
Displacement 1649.47 in³
Stroke 6 in

Design Criteria

The generator set accepts 100% rated load in one step per NFPA 110 and meets ISO 8528-5 transient response.

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


  • Matched to the performance and output characteristics of Cat engines
  • Industry leading mechanical and electrical design
  • Industry leading motor starting capabilities
  • High Efficiency

Cat EMCP Control Panel

The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4 systems can be further customized to meet your needs through programming and expansion modules.

Single-Source Supplier

Fully prototype tested with certified torsional vibration analysis available

World Wide Product Support

Cat dealers provide extensive post-sale support including maintenance and repair agreements. Cat dealers have over 1,800 dealer branch stores operating in 200 countries. The Caterpillar S•O•S℠ program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products

Seismic Certification

  • Seismic Certification available.
  • Anchoring details are site specific, and are dependent on many factors such as generator set size, weight, and concrete strength.
  • IBC Certification requires that the anchoring system used is reviewed and approved by a Professional Engineer
  • Seismic Certification per Applicable Building Codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007, CBC 2010
  • Pre-approved by OSHPD and carries an OSP-0321-10 for use in healthcare projects in California

UL 2200 / CSA - Optional

  • UL 2200 listed packages
  • CSA Certified
  • Certain restrictions may apply.
  • Consult with your Cat® Dealer.

Standard Equipment

Air Inlet
  • Air Cleaner; single element canister type with service indicator
Control Panel
  • EMCP 4.2
  • Features:
  • Digital Indicators
  • Warning/shutdown Indicators
  • Programmable Protective Relaying Functions
  • Communications
Cooling System
  • Radiator sized to 50 degrees C
  • Coolant drain line with valve terminated on edge of base
  • Fan and belt guards drive
  • Coolant level sensor
  • Caterpillar Extended Life Coolant
Exhaust System
  • Exhaust Manifold - dry
  • 203mm (8in) ID round flanged outlet
Fuel System
  • Primary fuel filter with integral water separator
  • Secondary fuel filter
  • Fuel cooler
  • Flexible fuel lines - installed
  • Electric fuel priming pump
Generators and Attachments
  • SR5 Permanent Magnet (PM)
  • For EPA Stationary Emergency (EPA Tier 2 Emissions) configurations:
  • For Low BSFC configurations:
  • Integrated Voltage Regulator (IVR) includes
  • Bus bar connections:
Lube System
  • Lubricating oil
  • Standard volume oil pan - 68 Ltr
  • Gear type lube oil pump
  • Integral lube oil cooler
  • Oil filter, filler and dipstick
  • Oil drain lines and valve
  • Fumes disposal - open crankcase ventilation routed to front of package
Mounting System
  • Rails - engine/generator/radiator mounting
  • Rubber anti-vibration mounts - shipped loose
Starting and Charging System
  • 24-volt electric starting motor
  • Charging Alternator 45A
  • Battery, rack and cables - shipped-loose
  • Battery disconnect switch
  • Paint: Caterpillar Yellow with high gloss black rails & radiator
  • Right hand service
  • Flywheel and flywheel housing-SAE No. 0 and SAE No. 18
  • SAE Standard Rotation

Optional Equipment

Air Inlet System
  • Standard air cleaners
  • Dual element air cleaners
  • Heavy duty air cleaners
Starting / Charging System
  • 10 Amp battery chargers
  • 20 Amp enclosure battery chargers
  • 24 Volt battery sets - Dry
  • 24 Volt electric start motors - Heavy duty
  • Jacket water heaters
  • Air starting motor with control and silencer
  • Space heater
Circuit Breakers
  • 400, 800, 1200, 1600, 2000, 2500, 3000 Amp, 3 pole, UL-100% rated circuit breakers
  • 2000 Amp, 3 pole, IEC rated circuit breakers
  • 800 Amp, 4 pole, IEC rated circuit breakers
Control Panels
  • EMCP 4.3, EMCP4.4
  • Remote mounting harness
  • Remote mounted circuit breaker terminals
  • Remote mounted panel harness mounting kit
  • Auxiliary box options
  • Side extension box
  • Cable shroud - Top mounted
  • Cable shroud - Bottom mounted
  • Cat connect telematics
  • Installed DIO module
  • Remote DIO module
  • Annunciator modules
  • Remote annunciator modules
  • Modbus monitor local packages
  • Load share module
  • Vandal proof panel cover
Cooling System
  • Standard radiator
  • High ambient radiator
  • Certified radiator
  • Extended life coolant
  • Radiator duct flange
  • Special sound attenuated enclosure
  • Enclosure with lifting base or fuel tank
  • Enclosure fuel tank options
  • Enclosure louvers
  • Cold weather bundle
  • Enclosure lighting
  • AC distribution panel, lights and outlet
  • Panel bracket
  • Enclosure colors
Exhaust System
  • Flanges
  • Guard and shield system
  • Elbows
  • Flexible fittings
  • Mufflers
  • Exhaust through the wall kit
Generator and Attachments
  • 60 Hz standard generators
  • 60 Hz premium generators
Lube System
  • Oil level regulator
  • Prelube pumps
Mounting System
  • Puck style low efficiency isolators
  • Spring type vibration isolators
  • IBC vibration isolators
  • Mounting base type
Power Connections
  • Neutral grounding connection
  • Center post busbar
  • Power connections - Right / Left / Rear
  • Cable entry - Right / Left / Rear
Special Tests / Reports
  • IBC Seismic certifications
  • OSHPD Seismic certifications
  • Special CSA test cerification
  • PGS test report @ 1.0 power factor
  • PGS test report @ 0.8 power factor
  • Generator test report
  • Standard engine test
  • Torsional vibration analysis report
  • Special paint
  • US aid emblem
  • SGS Inspection
  • Miscellaneous inspection

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