D175 GC C7.1 (60 HZ) | 175 kW Diesel Generator

Diesel Generator Sets D175 GC (60 Hz)

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Key Specs

Maximum Rating
175 ekW
175 ekW
Minimum Rating
175 ekW
175 ekW
Emissions/Fuel Strategy
U.S. EPA Cert., Tier 3
U.S. EPA Cert., Tier 3


175 ekW Diesel Generator Set

Producing reliable power of 175 ekW at 60 Hz, our D175 GC diesel generator sets designed to ISO 8528-5 transient response requirements. All D175 GC generator sets are available with a choice of emissions levels.


Saves up to 16% Installed Space

Requires less space for installation; leaves more room for your on-going operations

Reliability tested for 500 Hours

Ensures you can count on emergency power when it is needed

Spare Parts 98% Fulfillment within 24 hours

World's best product support network ensures spare parts are readily available for maintenance and service needs

Product Specifications for D175 GC (60 Hz)

Maximum Rating 175 ekW 175 ekW
Minimum Rating 175 ekW 175 ekW
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3 U.S. EPA Cert., Tier 3
Voltage 208 to 600 Volts 208 to 600 Volts
Frequency 60 Hz 60 Hz
Speed 1800 rpm 1800 rpm
Duty Cycle Standby Standby
Engine Model C7.1 I-6, 4-Cycle Diesel C7.1 I-6, 4-Cycle Diesel
Bore 4.1 in 105 mm
Stroke 5.31 in 135 mm
Displacement 427.8 in³ 7.01 l
Compression Ratio 16.7:1 16.7:1
Aspiration Turbocharged, Air to Air Aftercooled Turbocharged, Air to Air Aftercooled
Fuel System Electronic, Common Rail Electronic, Common Rail
Governor Type ADEM™A4 ADEM™A4
Length - Maximum 103.7 in 2634 mm
Width - Maximum 51.2 in 1300 mm
Height - Maximum 58.7 in 1492 mm
Dry Weight - Genset (maximum) 3741 lb 1697 kg

D175 GC (60 Hz) Standard Equipment

Air Inlet System

  • Air cleaner; light duty with disposable element

Control Panels

  • GCCP 1.2 Control panel

Cooling System

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

Generator and Generator Attachments

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

Exhaust System

  • Stub pipe, gaskets, raincap and SAE exhaust flange for customer use - shipped loose

Fuel System

  • Base, formed steel with single wall integral 24-hour fuel tank
  • Standard open set fuel tank/base supplied

Lube System

  • Lubricating oil
  • Oil drain line with valve

Mounting System

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

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

D175 GC (60 Hz) Optional Equipment

Alternator System

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

Circuit breakers

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

Control Panel Options

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

Control System

  • Static battery charger
  • Volt free contacts for common alarm
  • Volt free contacts for generator set running
  • GCCP 1.2

Cooling System

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


  • Sound attenuated level 2 enclosure

Mounting Options

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

Fuel Systems

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

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 - compact set
  • Packing case - canopied set

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Service Agreement (Cat® CVA & LTSA)

Experience hassle-free ownership and predictable expenses with flexible Customer Value Agreements, which include Long-Term Service Agreements.

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Cat RAM and Condition Monitoring

Observe and manage your fleet from anywhere with Cat RAM, and benefit from real-time monitoring by expert advisors with Condition Monitoring.

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Maintenance and Repairs

Retain genset value with maintenance, upgrade kits, and repair options that extend lifecycles, optimise performance, and help you control costs.

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