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 % block load. The C27 is certified as a low fuel consumption system as well as having a certificate for EPA Stationary Emergency (Tier 2).
Product Images
C27 (60Hz)
C27 Enclosure
Product Videos
Virtual Product Tour (VPT)
360° Exterior View
Virtual Product Tour
Specifications
| Name | Type | Value | Unit Value (Imperial) | Unit Name | Unit Value (Metric) | Unit Name (Metric) |
|---|---|---|---|---|---|---|
| Maximum Rating | text | 800 ekW | ||||
| Standby Rating | text | 750/800 ekW | ||||
| Minimum Rating | text | 635 ekW |
Documents & Spec Sheets
Features & Benefits
Cat Generator Set Package
- Cat generator set packages have been fully prototype tested
- Accepts 100% block load and meets NFPA 110 loading requirements with G3 Class load acceptance capability
- 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
GCCP and CAT ECS
- 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
Complete Specifications
Generator Set Specifications
| Name | Type | Value | Unit Value (Imperial) | Unit Name | Unit Value (Metric) | Unit Name (Metric) |
|---|---|---|---|---|---|---|
| Maximum Rating | text | 800 ekW | ||||
| Standby Rating | text | 750/800 ekW | ||||
| Minimum Rating | text | 635 ekW | ||||
| Prime Power Rating | text | 680/725 ekW | ||||
| Emissions/Fuel Strategy | text | Low BSFC / U.S. EPA Tier 2 Certified | ||||
| Voltage | text | 208 to 600 Volts | ||||
| Frequency | text | 60 Hz | ||||
| Speed | text | 1800 rpm | ||||
| Duty Cycle | text | Standby, Prime | ||||
| Engine Model | text | C27 ATAAC, V-12, 4-Stroke, Water-Cooled Diesel | ||||
| Bore | measurement | 5.4 | in | 137.2 | mm | |
| Stroke | measurement | 6 | in | 152.4 | mm | |
| Displacement | measurement | 1649.47 | in³ | 27.03 | l | |
| Compression Ratio | text | 16.1:1 | ||||
| Aspiration | text | TA | ||||
| Fuel System | text | MEUI | ||||
| Governor Type | text | Adem™A4 | ||||
| Length - Maximum | measurement | 184 | in | 4674 | mm | |
| Width - Maximum | measurement | 67.8 | in | 1723 | mm | |
| Height - Maximum | measurement | 85.1 | in | 2162 | mm |
Standard Equipment
Air Inlet
- Air cleaner; single element canister type with service indicator
Control Panel
- GCCP 1.2
- 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
Optional Equipment
Air Inlet System
- Standard air cleaners
- Heavy duty air cleaners
- Dual element air cleaners
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
- 20 Amp enclosure Battery chargers
- 10 Amp Battery chargers
- 24 Volt battery set - Dry
- Air starting motor with control and silencer
- Space heater
- 24 Volt electric start motors - Heavy duty
- Jacket water heaters
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
Starting / Charging System
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
- Cable shroud - Bottom mounted
- Cable shroud - Top mounted
- CAT ECS 200
- Side extension box
- Remote annunciator module
- Auxiliary box options
- Remote mounted panel harness mounting kit
- Remote mounted circuit breaker terminals
- Modbus monitor local packages
- Remote DIO module
- Cat connect telematics
- Load share module
- Vandal proof panel cover
- Installed DIO module
- Remote mounting harness
- Annunciator modules
Cooling System
- Radiator duct flange
- High ambient radiator
- Extended life coolant
- Certified radiator
- Standard radiator
Enclosures
- Enclosure louvers
- Enclosure with lifting base or fuel tank
- Panel bracket
- AC distribution panel, lights and outlet
- Enclosure lighting
- Enclosure colors
- Special Sound attenuated enclosure
- Enclosure fuel tank options
- Cold weather bundle
Exhaust System
- Mufflers
- Elbows
- Flanges
- Exhaust through the wall kit
- Flexible fittings
- Guard and shield system
Generator and Attachments
- 60 Hz standard generators
- 60 Hz premium generators
Lube System
- Prelube pumps
- Oil level regulator
Mounting System
- Mounting base type
- IBC vibration isolators
- Puck style low efficiency isolators
- Spring type vibration isolators
Power Connections
- Center post busbars
- Cable entry - right/left/rear
- Neutral grounding connection
- Power connections - Right / Left / Rear
Special Tests / Reports
- Torsional vibration analysis report
- Generator test report
- IBC seismic Certifications
- OSHPD seismic Certifications
- PGS Test report @ 1.0 power factor
- PGS Test report @ 0.8 power factor
- Special CSA test Certification
- Standard engine test
General
- Miscellaneous inspection
- US aid emblem
- Special paint
- SGS Inspection