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Cat

C175-20

Standby Rating

4000 (no fan)/3900/3620(no fan)/3500 ekW

Prime Power Rating

3600 (no fan)/3500/3300 (no fan)/3180 ekW

Emissions/Fuel Strategy

Low Fuel, Tier 2

Overview

Producing reliable power from 3150 – 4000 ekW at 60 Hz, our C175-20 diesel generator sets are made to meet your mission critical, continuous, standby and prime applications. We’ve designed each to ISO 8528-5 transient response requirements and to accept 100% rated load in one step. The generator set is certified for low fuel consumption, U.S. EPA Stationary Emergency Use only.

Photos

Videos

  • Learn about the latest generation of Cat® gen set products -- the C175-20 from Cat Center Stage at MINExpo 2012.

360° View

Exterior

360° Exterior view. Double click on the image to zoom in on any area of the product.

Showroom

Virtual Product tour

Features

Specifications

  • Generator Set Specifications
    Spec Value
    Standby Rating 4000 (no fan)/3900/3620(no fan)/3500 ekW
    Prime Power Rating 3600 (no fan)/3500/3300 (no fan)/3180 ekW
    Emissions/Fuel Strategy Low Fuel, Tier 2
    Voltage 480 to 13800 Volts
    Frequency 60 Hz
    Speed 1800 rpm
    Duty Cycle Standby, Mission Critical, Prime, Continuous
    Maximum Rating 4000 ekW
    Minimum Rating 3150 ekW
  • Engine Specifications
    Spec Value
    Engine Model C175-20 SCAC, V-20, 4-Stroke Water-Cooled Diesel
    Bore 6.89 in
    Stroke 8.66 in
    Displacement 6456.31 in³
    Compression Ratio 15.3:1
    Aspiration Turbo Aftercooled
    Fuel System Common Rail
    Governor Type ADEM� A4
  • Generator Set Dimensions
    Spec Value
    Length - Minimum 261.5 in
    Length - Maximum 330.6 in
    Width - Minimum 85.4 in
    Width - Maximum 127.7 in
    Height - Minimum 87.6 in
    Height - Maximum 150.7 in
    Dry Weight - Genset (minimum) 55100 lb
    Dry Weight - Genset (maximum) 66200 lb

Standard Equipment

Air Inlet System

  • 4 x Single element air cleaner canisters with service indicator(s).

Control Panel

  • 24 Volt DC operation
  • 4 Programmable relay Inputs
  • 4 Programmable relay output
  • Alarm acknowledge
  • Amps (per phase & average)
  • Auto/start/stop control
  • Coolant temperature
  • DC volts
  • Digital indicators
  • Cat ECS 100
  • Emergency stop
  • Emergency stop pushbutton
  • Engine cool-down timer
  • Engine cycle crank
  • Environmental sealed front face
  • Failure to start (overcrank)
  • Frequency (Hz)
  • High Coolant temperature
  • Lamp test
  • Low coolant level
  • Low oil pressure
  • Oil pressure (psi, kPa or bar)
  • Operating hours
  • Overspeed
  • RPM
  • Speed adjust
  • Text alarm/event descriptions.
  • True RMS AC metering, 3-phase, +/-2% accuracy
  • Volts (L-L & L-N)
  • Wall mounted controls:
  • Warning/shutdown Indicators:

Cooling System

  • AC Inlet: 6" ANSI / AC Outlet: 3-1/2" ANSI
  • Coolant sensors
  • JW Inlet: 6" ANSI / JW Outlet: 5" Cat Flange
  • SCAC cooling

Exhaust System

  • Dry exhaust manifold
  • Dual ANSI 18" / DIN 450 flanges. Shipped loose. Support required from installation

Fuel System

  • 10 Micron spin on yype
  • 4 Micron spin on type
  • Engine mounted filters x 3
  • Filters x 3
  • Primary fuel filter water/fuel water separator
  • Secondary/tertiary fuel filters

Generators and attachments

  • 3 Phase brushless
  • 3 Phase voltage sensing
  • 6 Leads
  • Anti-condensation space heater
  • Class H temperature rise at 40C ambient
  • Exciter diode monitor
  • Form wound
  • IEC platinum stator RTDs
  • Min / max exciter limiter
  • NEMA Class H insulation
  • Permanent magnet excitation (PMG)
  • Reactive droop capability
  • RFI suppression
  • Right side extension box, bottom cable entry
  • Salient pole
  • Voltage regulator

Governing System

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

Lube System

  • Fumes disposal
  • Gear type lube oil pump
  • Integral lube Oil cooler
  • Lubricating oil
  • Oil drain lines and valve
  • Oil filter, filler and dipstick

Mounting Systems

  • Rails - Engine/generator
  • Rubber anti-vibration mounts - shipped loose

Starting / Charging System

  • Batteries and battery rack w/cables
  • Battery disconnect switch
  • Dual 24 volt electric starting motors

General

  • Paint - Caterpillar yellow with high gloss black rails
  • Right hand servicing
  • SAE standard rotation

Optional Equipment

Air Inlet Systems

  • Single element air cleaner

Control Panel

  • EMCP 4.4
  • Controller and MV and HV power connection locations
  • Controller voltage and current sensing groups
  • E-Stop
  • Generator harness
  • Generator temperature monitoring
  • Interconnect harness
  • Load share module
  • Modbus monitoring of packages
  • Speed adjust
  • Vandal proof panel door
  • Annunciator modules
  • Customer interface options

Cooling System

  • Fuel cooler
  • Package mounted radiators
  • Remote radiators

Crankcase Systems

  • Crankcase ventilation system
  • Explosive relief valves

Exhaust System

  • Exhaust collectors/manifold
  • Front housing - Prime or continuous
  • Front housing - Standby or mission critical
  • Mufflers (15, 25 and 34 dBA silencers)

Fuel System

  • Primary fuel filter

Generator

  • Anti-condensation heater
  • Internal excitation (IE)
  • Oversize and premium generators
  • Permanent magnet excitation (PMG)

Generators and Attachments

  • Differential current transformers
  • Generator air cleaner
  • Medium voltage - 3000 Frames - 60 Hz, 3 phase, 1800 rpm, FW, PM, No of leads=6, Pitch 0.6667
  • Thermostat for space heater

Instrumentation

  • Pyrometer and thermocouples

Lube System

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

Mounting System

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

Power Termination

  • Circuit breakers, IEC compliant
  • Circuit breakers, UL listed

Special Tests / Reports

  • Custom generator TVA report
  • Generator test report
  • Genset fuel consumption test
  • PGS Test report @ 0.8 power factor
  • PGS Test report @ 1.0 power factor
  • Special test charge - Engine only
  • Standard engine test charge
  • Standard genset TVA (Torsional Vibration Analysis) report

Starting / Charging System

  • 20 Amp Battery chargers
  • 24 Volt battery set - Dry
  • 24 Volt electric starting motor
  • 35 Amp Battery chargers
  • 50 Amp Battery chargers
  • Air pressure regulator
  • Air starting motor
  • Charging alternators - Dry
  • Jacket water heaters
  • Starter location covers

General

  • Barring groups:
  • Control GP - air powered bar group
  • Engine air powered
  • Engine barring group
  • Manual
  • Special paint - 3500