C7.1 (60 HZ) | 120-175 kW Diesel Generator

Diesel Generator Sets C7.1 (60 Hz)

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Key Specs

Maximum Rating
175 ekW
175 ekW
Minimum Rating
120 ekW
120 ekW
Emissions/Fuel Strategy
Non Regulated
Non Regulated


120 - 175 ekW Diesel Generator Set

Producing reliable power from 120 to 175 ekW at 60 Hz, our C7.1 diesel generator sets designed to ISO 8528-5 transient response requirement. All C7.1 generator sets are available with a choice of emissions levels.


Suitable for Harsh & testing environments

Optimised for 5% Lower Fuel Consumption

Longer run times between fuel fills; reduced operating costs

Reliability tested for min. 500 Hours

Ensures you can count on emergency power when it is needed

Product Specifications for C7.1 (60 Hz)

Maximum Rating 175 ekW 175 ekW
Minimum Rating 120 ekW 120 ekW
Emissions/Fuel Strategy Non Regulated Non Regulated
Voltage 208 to 480 Volts 208 to 480 Volts
Frequency 60 Hz 60 Hz
Speed 1800 rpm 1800 rpm
Duty Cycle Standby, Prime Standby, Prime
Engine Model C7.1 I-6, 4-Cycle Diesel C7.1 I-6, 4-Cycle Diesel
Bore 4.13 in 105 mm
Stroke 5.31 in 135 mm
Displacement 427.8 in³ 7.01 B
Compression Ratio 16.5:1 16.5:1
Aspiration Turbocharged, Air to Air Aftercooled Turbocharged, Air to Air Aftercooled
Fuel System Common Rail Common Rail
Governor Type ADEM™A4 ADEM™A4
Length - Maximum 98.4 in 2500 mm
Width - Maximum 52 in 1320 mm
Height - Maximum 64 in 1626 mm

C7.1 (60 Hz) 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


  • Engine and alternator pre-paint, Caterpillar yellow

C7.1 (60 Hz) 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 excitation (PMG)

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


  • 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


  • 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

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C7.1 Diesel Generator Rear Right

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