C175-16 (50 Hz)

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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 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
  • 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
  • EMCP 4 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 50°C (122°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities
  • Certifications

  • IBC Seismic Certification
  • EU Certification of Conformance (CE)
  • EEC Declaration of Conformity
  • 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
  • C175-16 (50 Hz) Standard Equipment

    Air Inlet System
    • 4 x Single element canister with service indicator(s)

    Control Panel
    • EMCP4 / EMCP4.2
    • Emergency stop pushbutton
    • 24 Volt DC operation
    • Environmental sealed front face.
    • Text alarm / event descriptions.
    • Generator mounted - rear facing
    • Controls
    • Speed adjust
    • Auto / start / stop control.
    • Engine cool-down timer.
    • Engine cycle crank
    • Alarm acknowledge
    • Lamp test
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • Digital Indicators
    • RPM
    • DC Volts
    • Operating hours
    • Oil pressure (psi, kPa or bar)
    • Coolant temperature
    • Volts (L-L & L-N)
    • Frequency (Hz)
    • Amps (per phase & average)
    • Power Factor (per phase & average)
    • Warning / shutdown Indicators
    • Low oil pressure
    • High coolant temperature
    • Overspeed
    • Emergency stop
    • Failure to start (overcrank)
    • Low coolant temperature
    • Low coolant level
    • Programmable Protective Relaying Functions
    • Generator phase sequence
    • Over / under voltage
    • Over / under frequency
    • Reverse power
    • Reverse Reactive Power
    • Overcurrent
    • Communications
    • Customer data link (Modbus RTU)
    • Accessory module data link
    • Serial annunciator module data link
    • 6 Programmable digital inputs
    • 4 Programmable relay outputs (Form A)
    • 2 Programmable relay outputs (Form C)
    • 2 Programmable digital outputs

    Cooling System
    • SCAC cooling
    • Radiator group - shipped loose
    • Fan and belt guards
    • Coolant drain line and valves
    • Coolant Sensors

    Exhaust System
    • Dry Exhaust Manifold
    • Bolted flange, with bellow for each turbo

    Fuel System
    • Primary fuel filter water / fuel water separator
    • 10 Micron Spin On Type
    • Filters x 3
    • Secondary / Tertiary fuel filters
    • 4 Micron Spin On Type
    • Engine mounted filters X3

    Generator and Attachments
    • 3 Phase Brushless
    • Salient pole
    • 6 Leads
    • IEC Platinum stator RTDs
    • Voltage Regulator
    • Voltage regulator
    • Reactive droop capability
    • 3 Phase voltage sensing
    • RFI suppression
    • Min / max exciter limiter
    • exciter diode monitor
    • Form Wound
    • Permanent magnet
    • NEMA Class H insulation
    • Class H temperature rise at 40C ambient
    • (LV) Busbar connections, top/center mounted, top cable entry
    • 50 Hz models: IEC standard hole pattern
    • (MV) Busbar connections, right side extension box, bottom cable entry
    • Anti condensation space heater
    • Class F temperature rise at 40C ambient
    • Right side extension box, bottom cable entry

    Governing System
    • ADEM A4
    • Redundant shutdown (Overspeed protection through a duplicate speed sensing system)

    Lube System
    • Lubricating oil
    • Gear type lube oil pump
    • Integral lube oil cooler
    • Oil filter, filler and dipstick
    • Oil drain lines and valve
    • Fumes disposal
    • Prelube - required with prime, continuous, and standby

    Mounting Systems
    • Rails - Engine / generator
    • Rubber anti-vibration mounts (shipped loose)
    • Dual 24 volt electric starting motors
    • Batteries and battery rack w/cables
    • Battery disconnect switch

    Service Instructions
    • Two PM inspections

    Power Termination
    • Bus Bar

    • Paint - Caterpillar yellow with high gloss black rails & radiator
    • Right hand service
    • Flywheel and flywheel housing-SAE No. 00
    • SAE standard rotation

    C175-16 (50 Hz) Optional Equipment

    Air Inlet System
    • Single element air cleaner
    • Dual element air cleaner
    • Air inlet adapters
    • Air inlet protection

    Control Panel
    • EMCP 4.3, EMCP 4.4
    • EMCP 4.4 optional harness
    • EMCP and MV&HV power connection locations
    • Load share module
    • EMCP mounting location - LV / MV
    • Customer AC-DC connection mounting location - LV/MV
    • Load share module / auxiliary plate and auxiliary box (LV)
    • Load share governor
    • Frame boxes
    • Automatically selected ground
    • EMCP voltage and current sensing groups
    • Raise lower switch
    • Speed adjust
    • Annunciator modules
    • Customer interface options
    • Generator temperature monitoring
    • Modbus monitoring of packages
    • E-Stop
    • Interconnect harness
    • Generator Harness

    Cooling System
    • Package mounted radiator
    • Remote radiators
    • Fuel cooler

    Exhaust System
    • Front housing - Standby or mission critical
    • Front housing - Prime or continuous
    • Exhaust collectors / Manifold
    • Exhaust support group
    • Mufflers
    • Weld flanges
    • Aftercooler drain

    Crankcase Systems
    • Explosive relief valves
    • Crankcase ventilation system

    Fuel System
    • Primary fuel filter

    Generators and Attachments
    • Low voltage - 1800 and 3000 Frames - 50 Hz, 3 phase, 1500 rpm, FW, PM, No of leads=6, Pitch 0.6667
    • Medium Voltage - 1800 and 3000 Frames - 50 Hz, 3 phase, 1500 rpm, FW, PM, No of leads=6, Pitch 0.6667
    • Low Voltage - 1800 and 3000 Frames - 60 Hz, 3 phase, 1800 rpm, FW, PM, No of leads=6, Pitch 0.6667
    • Space heater kit
    • Thermostat for space heater
    • Conversion GP-Top cable entry
    • Generator air intake
    • Differential current transformers

    • Pyrometer and thermocouples

    Lube System
    • Lube oil heater
    • Drain group oil pans
    • Lubricating oil
    • Electric prelube pumps
    • Oil filters

    • Rubber anti-vibration mounts
    • Spring type linear vibration isolators
    • IBC vibration isolators - Shipped loose

    Power Connections
    • Center post busbars (LV)
    • Side / Rear mounted busbars (LV)
    • Harnesses (Breaker)
    • Cable entry options (LV)
    • Enclosures - Control packaging (LV)
    • Power connection covers (LV)
    • Neutral ground (LV)
    • 1800 Frame generators circuit breaker
    • Masterpack breakers
    • Paralleling circuit breakers
    • 1800 Frame generator side / rear mounted busbars (MV)
    • Cable entry options (MV)
    • Neutral ground (MV)
    • Low voltage connection cable
    • Masterpack breaker connections

    Special Tests / Reports
    • Generator test report
    • PGS test report @ 1.0 power factor
    • PGS test report @ 0.8 power factor
    • Standard genset TVA (Torsional Vibration Analysis) report
    • Custom genset TVA report
    • Special test charge - Engine only
    • Genset fuel consumption test
    • Standard engine test charge
    • IBC seismic certification
    • OSCOSH1 seismic certification

    Starting / Charging System
    • 24 Volt power distribution box
    • 24 Volt electric starting motors
    • Air starting motor
    • Air pressure regulator
    • Starter location covers
    • 24 Volt battery sets - Dry
    • Heavy duty battery sets with rack
    • 20 Amp battery chargers
    • 35 Amp battery chargers
    • 50 Amp battery chargers
    • Charging alternators - Dry
    • Jacket water heaters
    • Jacket water heater wiring groups

    • Special paint colors
    • Service tools - Engine barring group
    • Barring group manual
    • Engine barring air powered
    • Control GP - Air powered bar group


    Producing reliable power from 2500 kVA to 3100 kVA at 50 Hz, our C175-16 diesel generator sets are made to meet your mission critical, continuous, standby and prime applications, and match your power standards. We've engineered each to ISO 8528-5 transient response requirements and to accept 100 percent rated load in one step. Our C175-16 generator sets range from low fuel consumption systems to EPA Stationary Emergency (Tier 2). Leading innovation means some models offer emissions reduced by up to 90 percent — that's technology with benefits beyond today. Seismic certification is also available for select models, maintaining your power after unexpected disturbances. Our integrated control system, including ATS and switchgear, ensures a consistent power supply and connection to your fleet through on-site and remote monitoring options. Our EMCP 4 control panel provides expandable controller options, with management and diagnostic tools, and a user-friendly interface. We know your power needs are unique. Customize your generator sets with our broad range of accessories and bolt-on system expansion attachments. Find flexible packaging options to work with your spatial requirements and environmental conditions. We build to the highest power quality, so you can build to your power demands.

    Generator Set Specifications

    Minimum Rating 2500 kVA 2500 kVA Less
    Maximum Rating 3100 kVA 3100 kVA Less
    Emissions/Fuel Strategy Low Fuel Consumption, U.S. EPA Certified for Stationary Emergency Use Only (Tier 2 Nonroad Equivalent Emission Standards) Low Fuel Consumption, U.S. EPA Certified for Stationary Emergency Use Only (Tier 2 Nonroad Equivalent Emission Standards) Less
    Voltage 220 to 13800 Volts 220 to 13800 Volts Less
    Frequency 50 Hz 50 Hz Less
    Speed 1500 rpm 1500 rpm Less
    Duty Cycle Standby, Mission Critical, Prime, Continuous Standby, Mission Critical, Prime, Continuous Less

    Engine Specifications

    Engine Model C175-16 SCAC, V-16, 4-Stroke Water-Cooled Diesel C175-16 SCAC, V-16, 4-Stroke Water-Cooled Diesel Less
    Bore 6.89 in 175.0 mm Less
    Stroke 8.66 in 220.0 mm Less
    Displacement 5166.88 in³ 84.7 l Less
    Compression Ratio 16:07:01 16:07:01 Less
    Aspiration Turbo Aftercooled Turbo Aftercooled Less
    Fuel System Common Rail Common Rail Less
    Governor Type ADEM™ A4 ADEM™ A4 Less

    Generator Set Dimensions

    Length - Minimum 241.6 in 6137.0 mm Less
    Length - Maximum 311.0 in 7900.0 mm Less
    Width - Minimum 83.0 in 2110.0 mm Less
    Width - Maximum 108.5 in 2786.0 mm Less
    Height - Minimum 87.0 in 2211.0 mm Less
    Height - Maximum 130.2 in 3307.0 mm Less
    Dry Weight - Genset (minimum) 42750.0 lb 19391.0 kg Less
    Dry Weight - Genset (maximum) 50750.0 lb 23020.0 kg Less

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