C7.1 ACERT
US
Metric
Overview
Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.
Generator Set Specifications
Minimum Rating
120 ekW
Maximum Rating
175 ekW
Voltage
208 to 480 Volts
Frequency
60 Hz
Speed
1800 rpm
Emissions/Fuel Strategy
Non Regulated
Engine Specifications
Engine Model
C7.1 I-6, 4-Cycle Diesel
Bore
4.13 in
105.00 mm
Displacement
427.80 in³
7.01 L
Stroke
5.31 in
135.00 mm
Compression Ratio
16.5:1
Aspiration
Turbocharged, Air to Air Aftercooled
Governor Type
ADEM™A4
Fuel System
Common Rail
Aspiration
Turbocharged, Air to Air Aftercooled
Fuel System
Common Rail
Bore
4.13 in
105.00 mm
Displacement
427.80 in³
7.01 B
Stroke
5.31 in
135.00 mm
Fuel System
Common Rail
Generator Set Dimensions
Height - Maximum
64.00 in
1626.00 mm
Length - Maximum
98.40 in
2500.00 mm
Width - Maximum
52.00 in
1320.00 mm
Engine Specifications
Fuel System
Common Rail
Generator Set Specifications
Duty Cycle
Standby, Prime
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
R-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
EMCP 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
Fully prototype tested with certified torsional vibration analysis available
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
World Wide 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
- Control Panels
- EMCP 4.1
- Air Inlet System
- Air Cleaner; light duty with disposable element
- Cooling System
- Radiator and cooling fan with guards
- Coolant drain line with valves
- Caterpillar extended life coolant
- Fan drive, battery charging alternator drive
- Exhaust System
- Stub pipe, gaskets, raincap and SAE exhaust flange for customer use; shipped loose
- Fuel System
- Base, formed steel with single wall integral 8-hour fuel tank
- Standard open set fuel tank / base supplied
- Lube System
- Lubricating oil
- Oil drain line with valve
- Generator and Generator Attachments
- Segregated low voltage (AC/DC) wiring panel
- Tower panel, IP22, bottom cable entry
- 12 Leads
- Voltage regulator (single phase sensing)
- IP23 protection
- Circuit breaker, IEC, 3 pole, mounted in tower panel
- Mounting System
- Captive linear vibration isolators between base and engine-generator
- Termination points for coolant and lube oil drain lines
- Includes lifting provision and drag points
- Packaged Generator Set
- Radiator and cooling fan complete with protective guards
- Flexible fuel lines to base NPT connections
- Drip proof generator air intake (NEMA 2, IP23)
- Class H insulation
- Standard ambient temperatures up to 50°C (122°F)
- Starting / Charging System
- 24V battery with rack and cables
- Governing System
- Mechanical and electrical governing system - model dependent
- General
- Engine and alternator pre-paint, Caterpillar Yellow
Optional Equipment
- Alternator System
- R frame auxiliary winding: R2273L4 SE aux alt 07, aux alt 08 and aux alt 10
- Quatrature droop king
- Alternator removal
- Anti-condensation heater
- 3 Phase sensing
- Optional LC frame alternator with coastal insulation protection
- Permanent magnet
- Packaged Generator Set Options
- Radiator stone guard
- Circuit Breakers
- Padlockable breaker device
- 4 Pole 250A, 400A and 630A Circuit Breakers
- Control System
- Control panel heater
- Static battery charger
- Volt free contacts for common alarm
- Volt free contacts for generator set running
- EMCP 4.2
- Control Panel Options
- Speed adjust potentiometer
- Emergency stop with key
- Battery charger
- Volt free contacts
- Earth leakage (2 wire only)
- Control panel heater
- Earth fault (2 wire only)
- Panel mounted audible alarm
- Speed adjust contacts
- Overload shutdown via breaker
- Cooling System
- Low coolant temperature
- Low coolant level shutdown
- Coolant heater
- Enclosures
- Sound attenuated level 2 enclosure
- Rental options (CAE only) - Single point lift
- Sound attenuated levels 1 and 2 enclosures
- Rental options (CAE only) - CEE form sockets for enclosure
- Rental options (CAE only) - Rental pack
- Rental options (CAE only) - Socket blanking plate
- European Certifications
- Upgrade to STD set for CE
- Mounting Options
- Battery removal
- Residential silencer
- Industrial silencer removal
- Silencer installation kit
- Electronic governor
- Test Reports
- PGS test report @ 0.8 power factor
- PGS test report @ 1.0 power factor
- General
- Stone guards / radiator trans flange
- Fuel Systems
- Open set narrow tankbase
- Compact skidbase for open sets
- DEFRA bunded fuel tank
- High fuel level alarm
- Skidbase for CALG enclosure sets
- Low fuel level shutdown
- Low fuel level alarm
- Global Certifications
- Certification for CIS
- Power Termination
- Circuit breaker, IEC, 4 pole
- Accessories / Miscellaneous
- Packing case - canopied set
- Packing case - compact set