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Cat

C175-20

Standby Rating

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

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

Prime Power Rating

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

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

Emissions/Fuel Strategy

Low Fuel, Tier 2

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.

Media

Photos

C175-20 Diesel Generator Set
C175-20 Diesel Generator Set
C175-20 Diesel Generator Set Right Front View
C175-20 Diesel Generator Set Right Front View
C175-20 Diesel Generator Set Left Front View
C175-20 Diesel Generator Set Left Front View
C175-20 Diesel Generator Set Back Left View
C175-20 Diesel Generator Set Back Left View

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.

Documents

Features

Cat Generator Set Package

Cat Diesel Engine

SR5 Alternator

Cat ECS Control Panel

Cooling System

Certifications

One Safe Source

Worldwide Product Support

Details

Specifications

Spec Value
Standby Rating 4000 (no fan)/3900/3620(no fan)/3500 ekW 4000 (no fan)/3900/3620(no fan)/3500 ekW
Prime Power Rating 3600 (no fan)/3500/3300 (no fan)/3180 ekW 3600 (no fan)/3500/3300 (no fan)/3180 ekW
Emissions/Fuel Strategy Low Fuel, Tier 2 Low Fuel, Tier 2
Voltage 480 to 13800 Volts 480 to 13800 Volts
Frequency 60 Hz 60 Hz
Speed 1800 rpm 1800 rpm
Duty Cycle Standby, Mission Critical, Prime, Continuous Standby, Mission Critical, Prime, Continuous
Maximum Rating 4000 ekW 4000 ekW
Minimum Rating 3150 ekW 3150 ekW
Spec Value
Engine Model C175-20 SCAC, V-20, 4-Stroke Water-Cooled Diesel C175-20 SCAC, V-20, 4-Stroke Water-Cooled Diesel
Bore 6.89 in 175 mm
Stroke 8.66 in 220 mm
Displacement 6456.31 in³ 105.8 B
Compression Ratio 15.3:1 15.3:1
Aspiration Turbo Aftercooled Turbo Aftercooled
Fuel System Common Rail Common Rail
Governor Type ADEM� A4 ADEM� A4
Spec Value
Length – Minimum 261.5 in 6642.8 mm
Length – Maximum 330.6 in 8397 mm
Width – Minimum 85.4 in 2170.2 mm
Width – Maximum 127.7 in 3244 mm
Height – Minimum 87.6 in 2224.3 mm
Height – Maximum 150.7 in 3827 mm
Dry Weight – Genset (minimum) 55100 lb 25000 kg
Dry Weight – Genset (maximum) 66200 lb 30000 kg

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

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