C175-20

Overview
Bore
7 in
Displacement
6,456 in³
Stroke
9 in
  • Exterior View

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

Engine Specifications

Bore
7 in
Displacement
6,456 in³
Stroke
9 in
Aspiration
Turbo Aftercooled
Fuel System
Common Rail
Engine Model
C175-20 SCAC, V-20, 4-Stroke Water-Cooled Diesel
Compression Ratio
15:03:01
Governor Type
ADEM™ A4
Aspiration
Turbo Aftercooled
Fuel System
Common Rail
Bore
7 in
Displacement
6,456 in³
Stroke
9 in

Generator Set Specifications

Minimum Rating
3150 kVA
Maximum Rating
4000 kVA
Voltage
3300 to 11000 Volts
Frequency
50 Hz
Speed
1500 RPM
Emissions/Fuel Strategy
Low Fuel Consumption, Low Emissions
Height - Maximum
128 in
Duty Cycle
Standby, Mission Critical, Prime, Continuous

Generator Set Dimensions

Height - Maximum
151 in
Length - Maximum
331 in
Width - Maximum
331 in
Dry Weight - Genset (maximum)
66,200 lb
Length - Minimum
262 in
Width - Minimum
85 in
Height - Minimum
88 in
Dry Weight - Genset (minimum)
55,100 lb

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 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
  • 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
  • SR5 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
  • 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
  • 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
  • Designed to operate in standard ambient temperatures up to 50°C (122°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities
  • Certifications

  • UL2200
  • IBC seismic certification
  • OSHPD pre-approval
  • EU Certification of Conformance (CE)
  • EEC Declaration of Conformity
  • UL2200
  • IBC seismic certification
  • OSHPD pre-approval
  • EU Certification of Conformance (CE)
  • EEC Declaration of Conformity
  • One Safe Source

  • Components used in the generator set are selected at the design stage to provide optimum package 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
  • Components used in the generator set are selected at the design stage to provide optimum package 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
    • Air Inlet
      • 4 x Single element canister air cleaners with service indicator(s).
    • Control Panel
      • EMCP 4.2
      • Emergency stop pushbutton
      • 24 Volt DC operation
      • Environmental sealed front face
      • Text alarm / event descriptions
      • Wall Mounted 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)
      • Warning / shutdown Indicators
      • Low oil pressure
      • High coolant temperature
      • Overspeed
      • Emergency stop
      • Failure to start (overcrank)
      • Low coolant level
      • 4 Programmable relay Inputs
      • 4 Programmable relay output
    • Cooling System
      • SCAC cooling
      • JW Inlet: 6" ANSI / JW Outlet: 5" Cat Flange
      • AC Inlet: 6" ANSI / AC Outlet: 3-1/2" ANSI
      • Coolant Sensors
    • Exhaust
      • Dry exhaust manifold
      • Bolted flange (ANSI 6" & DIN 150) with bellow for each turbo (Qty 4). 50 Hz
    • Fuel
      • 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 x 3
    • Generators And Attachments
      • 3 Phase brushless
      • Salient Pole
      • 6 Leads
      • IEC Platinum Stator RTDs
      • 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
      • Anti condensation space Heater
      • 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
    • Mounting Systems
      • Rails - Engine/Generator
      • Rubber anti-vibration mounts (shipped loose)
    • Starting / Charging System
      • Dual 24 volt electric starting motors
      • Batteries and battery rack w/cables
      • Battery disconnect switch
    • General
      • Paint - Caterpillar Yellow with high gloss black rails
      • Right hand service
      • SAE standard rotation
    • Air Inlet Systems
      • Single element air cleaner
    • Control Panels
      • EMCP 4.3
      • EMCP and MV and HV power connection locations
      • Load share module
      • EMCP voltage and current sensing groups
      • Speed adjust
      • Annunciator modules
      • Customer interface options
      • Generator temperature monitoring
      • E-Stop
      • Interconnect harness
      • Generator harness
      • Modbus monitoring of packages
      • Vandal proof panel door
    • Cooling System
      • Package mounted radiators
      • Remote radiators
      • Fuel cooler
    • Crankcase Systems
      • Explosive relief valves
      • Crankcase ventilation system
    • Exhaust System
      • Front housing - Standby or mission critical
      • Front housing - Prime or continuous
      • Exhaust collectors / Manifold
      • Mufflers (15, 25 and 34 dBA)
    • Fuel System
      • Primary fuel filter
    • Generators And Attachments
      • Medium voltage - 3000 Frames - 50 Hz, 3 phase, 1500 rpm, FW, PM, No of leads=6, Pitch 0.6667
      • Thermostat for space heater
      • Generator air cleaner
      • Differential current transformers - (5, 9 and 15 kV Class)
    • Instrumentation
      • Pyrometer and thermocouples
    • Lube System
      • Lube oil heater
      • Lube oil heater with crankcase explosion relief valve
      • Drain group oil pans
      • Lubricating oil
      • Electric prelube pumps
      • Oil filters
    • Mounting System
      • Rubber anti-vibration mounts
      • Spring type linear vibration isolators
      • IBC vibration isolators - Shipped loose
    • 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
    • Starting / Charging System
      • 24 Volt electric starting motors
      • Air starting motor
      • Air pressure regulator
      • Starter location covers
      • 24 Volt battery sets - Dry
      • 20, 35 and 50 Amp battery chargers
      • Charging alternators - Dry
      • Jacket water heaters
    • General
      • Special paint - 3500, Colors (other than Caterpillar yellow) or high performance paints
      • US aid emblem
      • Service tools
      • Engine barring group
      • Manual
      • Engine barring Air powered
      • control GP - Air powered bar group
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