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C175-20 (60 Hz)

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Overview

Producing reliable power from 2500 to 3100 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 per cent rated load in one step. The generator set is certified for low fuel consumption, U.S. EPA Stationary Emergency Use only.

Generator Set Specifications

  • Minimum Rating 3150 ekW 3150 ekW
  • Maximum Rating 4000 ekW 4000 ekW
  • Emissions/Fuel Strategy Low Fuel Consumption Low Fuel Consumption
  • Voltage 4160 to 13800 Volts 4160 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

Engine Specifications

  • 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 175.0 mm
  • Stroke 8.66 in 220.0 mm
  • Displacement 6456.31 in³ 105.8 B
  • Compression Ratio 15:03:01 15:03:01
  • Aspiration Turbo Aftercooled Turbo Aftercooled
  • Fuel System Common Rail Common Rail
  • Governor Type ADEM™ A4 ADEM™ A4

Generator Set Dimensions

  • Length - Minimum 261.5 in 6642.8 mm
  • Length - Maximum 330.6 in 8397.0 mm
  • Width - Minimum 85.4 in 2170.2 mm
  • Width - Maximum 127.7 in 3244.0 mm
  • Height - Minimum 87.6 in 2224.3 mm
  • Height - Maximum 150.7 in 3827.0 mm
  • Dry Weight - Genset (minimum) 55100.0 lb 25000.0 kg
  • Dry Weight - Genset (maximum) 66200.0 lb 30000.0 kg

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 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

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

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
  • OSHPD pre-approval

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

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

C175-20 (60 Hz) 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:
  • EMCP 4.2B
  • 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
  • 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 service
  • SAE standard rotation

C175-20 (60 Hz) Optional Equipment

Air Inlet Systems

  • Single element air cleaner

Control Panel

  • EMCP 4.3 and EMCP 4.4
  • EMCP and MV and HV power connection locations
  • EMCP 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 genset 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 sets - Dry
  • 24 Volt electric starting motors
  • 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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