C9 | DE275E0
C9 | DE275E0 50Hz NON CERTIFIED EMISSIONS
Overview
Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.
Specifications
Units:
| Maximum Rating | 275 kVA |
| Minimum Rating | 250 kVA |
| Emissions/Fuel Strategy | Non-Certified |
Benefits & Features
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
October 22, 2025
Specifications
Units:
| Maximum Rating | 275 kVA |
| Minimum Rating | 250 kVA |
| Emissions/Fuel Strategy | Non-Certified |
| Voltage | 200 to 400 Volts |
| Frequency | 50 Hz |
| Speed | 1500 rpm |
| Duty Cycle | Standby, Prime |
| Engine Model | C9 ATAAC, I-6, 4-Stroke Water-Cooled Diesel |
| Bore | — |
| Stroke | — |
| Displacement | — |
| Compression Ratio | 16.1:1 |
| Aspiration | Air to Air Aftercooled |
| Fuel System | Hydraulic electronic unit injection |
| Governor Type | Adem™A4 |
| Length - Maximum | — |
| Width - Maximum | — |
| Height - Maximum | — |
Benefits & Features
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
GCCP1.3 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
Generator Features
- Matched to the performance and output characteristics of Cat engines
- Industry leading mechanical and electrical design
- Industry leading motor starting capabilities
- High Efficiency
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
The generator set meets transient response and block loading steps as per ISO 8528-5.
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
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Standard Equipment
- Air Inlet System
- Air cleaner, light duty with disposable paper filter
- Control Panels
- GCCP 1.3
- Cooling System
- Fan drive, battery charging alternator drive
- Coolant drain line with valve
- Radiator and cooling fan with guard
- Caterpillar extended life coolant
- Exhaust System
- Stainless steel exhaust flex, gaskets, rain cap & SAE exhaust flange for customer use - shipped loose
- Fuel System
- Standard open set fuel tank/base supplied
- Base, formed steel with single wall integral 8-hour fuel tank
- Generators and Generator Attachments
- IP23 Protection
- Mandatory option circuit breaker, IEC, 3 pole mounted in power centre
- Power centre, IP22
- 12 Leads
- Segregated low voltage (AC/DC) wiring panel
- Voltage regulator (single phase sensing)
- Governing System
- Cat electronic governor (ADEM A4)
- Lube System
- Oil drain valves
- Lubricating oil
- Oil cooler
- Mounting System
- Includes lifting provisions and termination points for coolant and lube oil drain lines
- Captive linear vibration isolators between base and engine-generator
- Starting / Charging System
- 24V battery with rack and cables
- General
- Engine and alternator re-paint, Caterpillar yellow
Optional Equipment
- Certifications
- Global Certification for CIS
- European Certificate for Conformance
- Air inlet system
- Single element air cleaner
- Circuit breakers
- 4 Pole (IEC-100% rated) Circuit breaker upgrades: 400, 630, 800 and 100 amps
- Control Panels
- Control panel protective devices: Earth fault relay ; Earth leakage ground fault ; overload shutdown via breaker ; Low fuel level shutdown ; Low fuel level alarm ; Fuel level sensor
- Control panel Options: Volt free contacts ; Local alarm horn ; Oil temperature displays
- Cooling System
- Radiator duct flange
- Low coolant temperature alarm
- Enclosures
- Sound attenuated enclosure
- High ambient sound attenuated enclosure
- Exhaust System
- 5 and 6 inch elbow kits
- Mufflers - End in/end out; 10 dBA or 25 dBA attenuation
- 6 inch flange
- 5 - 6 inch flange adaptor
- Fuel System
- Integral dual wall fuel tank base
- Generators and Attachments
- Permanent magnet excitation (PMG) generator
- Oversize, AREP, CIP generators
- Mounting System
- Narrow skid base
- Starting / Charging System
- Battery disconnet switch
- Jacket water heater
- 5 Amp single Battery charger