D175 GC (60 Hz)

D175 GC Generator Set

D175 GC C7.1 (60 HZ) 175 kW Diesel Generator models' range of accessories, emissions level & other options allow customers to customize for their needs.

D175 GC Open 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.Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.Electric Power

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

M-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

GCCP 1.2 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


  • UL 2200 Listed
  • ULC Certification 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
  • Optional Equipment
  • Specs
  • Docs

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
  • General
    • Engine and alternator pre-paint, Caterpillar Yellow

Optional Equipment

  • Alternator System
    • Permanent magnet
    • 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
  • Enclosures
    • 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
  • General
    • 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



Long Name:
D175 GC Generator Set
D175 GC (60 Hz)

Generator Set Specifications

Maximum Rating
175 ekW
Minimum Rating
175 ekW
Emissions/Fuel Strategy
U.S. EPA Cert., Tier 3
208 to 600 Volts
60 Hz
1800 rpm
Duty Cycle

Engine Specifications

Engine Model
C7.1 I-6, 4-Cycle Diesel
4.1 in / 105 mm
5.31 in / 135 mm
427.8 in³ / 7.01 l
Compression Ratio
Turbocharged, Air to Air Aftercooled
Fuel System
Electronic, Common Rail
Governor Type

Generator Set Dimensions

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