C7.1 Tier 4 (60 Hz)

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Providing reliable energy solutions ,our C7.1 diesel generator sets are made to meet your standby and prime three phase applications. All standby C7.1 generator sets are supplied with 4 years extended service coverage as standard. We've designed each to ISO 8528-5 transient response requirements. C7.1 generator sets are available with a choice of emissions levels. We offer easy-to-use Cat control panels, EMCP 4.1 or EMCP 4.2 options. Browse a broad range of accessories including galvanised sound attenuated enclosures and integral fuel tanks. Our C7.1 generator sets are made for demands, so you can make yours.

Generator Set Specifications

  • Minimum Rating 114 ekW 114 ekW
  • Maximum Rating 200 ekW 200 ekW
  • Emissions/Fuel Strategy U.S. EPA Cert,. Tier 3 U.S. EPA Cert,. Tier 3
  • Voltage 208 to 480 Volts 208 to 480 Volts
  • Frequency 60 Hz 60 Hz
  • Speed 1800 rpm 1800 rpm

Engine Specifications

  • Engine Model C7.1 I-6, 4-Cycle Diesel C7.1 I-6, 4-Cycle Diesel
  • Displacement 427.8 in³ 7.01 l
  • Fuel System Common Rail Common Rail
  • Aspiration Turbocharged, Air to Air Aftercooled Turbocharged, Air to Air Aftercooled
  • Governor Type ADEM™A4 ADEM™A4
  • Compression Ratio 16.5:1 16.5:1
  • Bore 4.13 in 105.0 mm
  • Stroke 5.31 in 135.0 mm

Generator Set Dimensions

  • Length - Maximum 98.4 in 2500.0 mm
  • Width - Maximum 52.0 in 1320.0 mm
  • Height - Maximum 64.0 in 1626.0 mm

Design Criteria

  • The generator set is designed to meet ISO8528-5 transient response and NFPA 110.
  • Cooling system designed to operate in 50˚C / 122˚F ambient temperatures with an air flow restriction of 0.5 in. water

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
  • IP 23 Protection

EMCP Control Panel

The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. The EMCP 4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP 4 systems can be further customized to meet your needs through programming and expansion modules. The EMCP4.1 is fitted as standard

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

Single-Source Supplier

Fully prototype tested with certified torsional vibration analysis available

CE Certification

CE Certification available


  • Single wall 8 hour wide fuel tank
  • Circuit breaker, IEC, 3 pole
  • Industrial Silencer (10 dBA)

C7.1 Tier 4 (60 Hz) Standard Equipment

Air Inlet System

  • Air Cleaner; light duty with disposable element

Control Panels

  • EMCP 4.1

Cooling System

  • Fan drive, battery charging alternator drive
  • Radiator and cooling fan with guards
  • Caterpillar extended life coolant
  • Coolant drain line with valves

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

Generator and Generator Attachments

  • Voltage regulator (single phase sensing)
  • 12 leads
  • IP23 protection
  • Circuit breaker, IEC, 3 pole, mounted in tower panel
  • Segregated low voltage (AC/DC) wiring panel
  • Tower panel, IP22, bottom cable entry

Starting / Charging System

  • 24V battery with rack and cables

Governing System

  • Mechanical and electrical governing system - model dependent

Lube System

  • Lubricating oil
  • Oil drain line with valve

Mounting System

  • Includes lifting provision and drag points
  • Captive linear vibration isolators between base and engine-generator
  • Termination points for coolant and lube oil drain lines


  • Engine and alternator pre-paint, Caterpillar Yellow

C7.1 Tier 4 (60 Hz) Optional Equipment

Alternator System

  • Anti-condensation heater
  • 3 Phase sensing
  • Alternator removal
  • Optional LC frame alternators
  • Quatrature droop king
  • R frame auxiliary winding: R2273L4 SE aux alt 07, aux alt 08 and aux alt 10
  • Optional LC frame alternator with coastal insulation protection
  • Permanent magnet

Circuit Breakers

  • 4 Pole 250A, 400A and 630A Circuit Breakers
  • Padlockable breaker device

Control Panel Options

  • Earth fault (2 wire only)
  • Control panel heater
  • Battery charger
  • Earth leakage (2 wire only)
  • Speed adjust contacts
  • Volt free contacts
  • Overload shutdown via breaker
  • Emergency stop with key
  • Speed adjust potentiometer
  • Panel mounted audible alarm

Cooling System

  • Low coolant level shutdown
  • Coolant heater
  • Low coolant temperature

Control System

  • Volt free contacts for generator set running
  • Volt free contacts for common alarm
  • EMCP 4.2
  • Static battery charger
  • Control panel heater


  • Rental options (CAE only) - Socket blanking plate
  • Rental options (CAE only) - Single point lift
  • Rental options (CAE only) - Rental pack
  • Rental options (CAE only) - CEE form sockets for enclosure
  • Sound attenuated levels 1 and 2 enclosures

European Certifications

  • Upgrade to STD set for CE

Fuel Systems

  • Compact skidbase for open sets
  • Low fuel level alarm
  • DEFRA bunded fuel tank
  • Low fuel level shutdown
  • Open set narrow tankbase
  • Skidbase for CALG enclosure sets
  • High fuel level alarm

Mounting Options

  • Industrial silencer removal
  • Silencer installation kit
  • Electronic governor
  • Residential silencer
  • Battery removal

Test Reports

  • PGS test report @ 1.0 power factor
  • PGS test report @ 0.8 power factor


  • Stone guards / radiator trans flange

Global Certifications

  • Certification for CIS

Power Termination

  • Circuit breaker, IEC, 4 pole

Accessories / Miscellaneous

  • Packing case - canopied set
  • Packing case - compact set

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