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, 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 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 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
    • Speed adjust
    • Engine cycle crank
    • 24 Volt DC operation
    • DC volts
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • Operating hours
    • Low oil pressure
    • High coolant temperature
    • Failure to start (overcrank)
    • RPM
    • Engine cool-down timer
    • Warning / shutdown Indicators
    • Volts (L-L & L-N)
    • Alarm acknowledge
    • Oil pressure (psi, kPa or bar)
    • 4 Programmable relay output
    • Environmental sealed front face
    • 4 Programmable relay Inputs
    • Coolant temperature
    • Overspeed
    • Auto / start / stop control
    • Low coolant level
    • Emergency stop pushbutton
    • Text alarm / event descriptions
    • Wall Mounted Controls
    • Amps (per phase & average)
    • Frequency (Hz)
    • Lamp test
    • Digital Indicators
    • Emergency stop
  • Cooling System
    • JW Inlet: 6" ANSI / JW Outlet: 5" Cat Flange
    • SCAC cooling
    • 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
    • 4 Micron spin on type
    • 10 Micron Spin On Type
    • Primary fuel filter water / fuel water separator
    • Secondary / tertiary fuel filters
    • Engine mounted filters x 3
    • Filters x 3
  • Generators And Attachments
    • Class H temperature rise at 40C ambient
    • Exciter diode monitor
    • RFI suppression
    • 3 Phase voltage sensing
    • Permanent Magnet
    • Salient Pole
    • IEC Platinum Stator RTDs
    • 6 Leads
    • Right side extension box, bottom cable entry
    • Min/max Exciter limiter
    • Anti condensation space Heater
    • NEMA Class H insulation
    • Voltage Regulator:
    • Reactive droop capability
    • Form Wound
    • 3 Phase brushless
  • Governing System
    • ADEM A4
    • Redundant Shutdown (Overspeed protection through a duplicate speed sensing system)
  • Lube System
    • Gear type lube oil pump
    • Oil drain lines and valve
    • Lubricating oil
    • Oil filter, filler and dipstick
    • Fumes disposal
    • Integral lube oil cooler
  • Mounting Systems
    • Rails - Engine/Generator
    • Rubber anti-vibration mounts (shipped loose)
  • Starting / Charging System
    • Batteries and battery rack w/cables
    • Dual 24 volt electric starting motors
    • Battery disconnect switch
  • General
    • SAE standard rotation
    • Paint - Caterpillar Yellow with high gloss black rails
    • Right hand service
  • 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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