C7.1 ACERT

Overview
Bore
4 in
Displacement
428 in³
Stroke
5 in

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

Engine Specifications

Bore
4 in
Displacement
428 in³
Stroke
5 in
Aspiration
Turbocharged, Air to Air Aftercooled
Fuel System
Common Rail
Engine Model
C7.1 I-6, 4-Cycle Diesel
Compression Ratio
16.5:1
Governor Type
ADEM™A4
Aspiration
Turbocharged, Air to Air Aftercooled
Fuel System
Common Rail
Bore
4 in
Displacement
428 in³
Stroke
5 in
Fuel System
5 in

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
Duty Cycle
Standby, Prime

Generator Set Dimensions

Height - Maximum
64 in
Length - Maximum
98 in
Width - Maximum
52 in

Cat Generator Set Package

  • Cat generator set packages have been fully prototype tested
  • Accepts 100% block load in one step and meets other NFPA 110 loading requirements
  • Conform to ISO 8528-5 steady state and transient response requirements
  • Cat generator set packages have been fully prototype tested
  • Accepts 100% block load in one step and meets other 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
    • 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
      • Fan drive, battery charging alternator drive
      • Caterpillar extended life coolant
      • Coolant heater
      • Low coolant temperature
      • Low coolant level shutdown
    • Exhaust System
      • Stub pipe, gaskets, raincap and 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
    • Lube System
      • Lubricating oil
      • Oil drain line with valve
    • Generator And Generator Attachments
      • Voltage regulator (single phase sensing)
      • Segregated low voltage (AC/DC) wiring panel
      • 12 leads
      • IP23 protection
      • Tower panel, IP22, bottom cable entry
      • Circuit breaker, IEC, 3 pole, mounted in tower panel
    • Mounting System
      • Termination points for coolant and lube oil drain lines
      • Captive linear vibration isolators between base and engine-generator
      • Includes lifting provision and drag points
    • 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
      • Stone guards / radiator trans flange
    • Alternator System
      • R frame auxiliary winding: R2273L4 SE aux alt 07, aux alt 08 and aux alt 10
      • Optional LC frame alternators
      • Alternator removal
      • Optional LC frame alternator with coastal insulation protection
      • Permanent magnet
      • 3 Phase sensing
      • Quatrature droop king
      • Anti-condensation heater
    • Circuit Breakers
      • 4 Pole 250A, 400A and 630A Circuit Breakers
      • Padlockable breaker device
    • Control System
      • EMCP 4.2
      • Static battery charger
      • Control panel heater
      • Volt free contacts for common alarm
      • Volt free contacts for generator set running
    • Control Panel Options
      • Volt free contacts
      • Speed adjust contacts
      • Speed adjust potentiometer
      • Panel mounted audible alarm
      • Earth fault (2 wire only)
      • Earth leakage (2 wire only)
      • Overload shutdown via breaker
      • Battery charger
      • Emergency stop with key
      • Control panel heater
    • Enclosures
      • Sound attenuated levels 1 and 2 enclosures
      • Rental options (CAE only) - Single point lift
      • Rental options (CAE only) - Rental pack
      • Rental options (CAE only) - CEE form sockets for enclosure
      • Rental options (CAE only) - Socket blanking plate
    • European Certifications
      • Upgrade to STD set for CE
    • Mounting Options
      • Residential silencer
      • Silencer installation kit
      • Electronic governor
      • Battery removal
      • Industrial silencer removal
    • Test Reports
      • PGS test report @ 1.0 power factor
      • PGS test report @ 0.8 power factor
    • Fuel Systems
      • Open set narrow tankbase
      • Skidbase for CALG enclosure sets
      • DEFRA bunded fuel tank
      • High fuel level alarm
      • Compact skidbase for open 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 - compact set
      • Packing case - canopied set
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