Diesel Generator Sets C175-20 (50 Hz) 3150 - 4000 kVA Diesel Generator Set

C175-20 (50 Hz)

Features At A Glance

Cat Generator Set Package
Cat Diesel Engine
SR5 Alternator
EMCP 4 Control Panel
Cooling System
One Safe Source

Product Specifications for C175-20 (50 Hz)

Generator Set Specifications

Engine Specifications

Generator Set Dimensions

C175-20 (50 Hz) Standard Equipment

Air Inlet

  • 4 x Single element canister air cleaners with service indicator(s).

Control Panel

  • Engine cycle crank
  • Oil pressure (psi, kPa or bar)
  • Digital Indicators
  • Coolant temperature
  • Environmental sealed front face
  • Frequency (Hz)
  • True RMS AC metering, 3-phase, +/-2% accuracy
  • Text alarm / event descriptions
  • Low coolant level
  • Volts (L-L & L-N)
  • Auto / start / stop control
  • Warning / shutdown indicators
  • Emergency stop pushbutton
  • Engine cool-down timer
  • DC volts
  • High coolant temperature
  • Operating hours
  • Low oil pressure
  • EMCP 4.2B
  • Amps (per phase & average)
  • 4 Programmable relay Inputs
  • Alarm acknowledge
  • 4 Programmable relay output
  • Failure to start (overcrank)
  • Overspeed
  • Lamp test
  • 24 Volt DC operation
  • Wall mounted controls
  • RPM

Cooling System

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


  • Dry exhaust manifold
  • Bolted flange (ANSI 6" & DIN 150) with bellow for each turbo (Qty 4). 50 Hz


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

Generators and Attachments

  • Salient Pole
  • RFI suppression
  • Anti condensation space Heater
  • IEC Platinum Stator RTDs
  • Form wound
  • NEMA Class H insulation
  • Voltage regulator:
  • Reactive droop capability
  • Min/max Exciter limiter
  • 3 Phase voltage sensing
  • Exciter diode monitor
  • 6 Leads
  • 3 Phase brushless
  • Right side extension box, bottom cable entry
  • Permanent magnet
  • Class H temperature rise at 40C ambient

Governing System

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

Lube System

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

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


  • SAE standard rotation
  • Right hand service
  • Paint - Caterpillar Yellow with high gloss black rails

C175-20 (50 Hz) Optional Equipment

Air Inlet Systems

  • Single element air cleaner

Control Panels

  • EMCP 4.3 and EMCP 4.4
  • 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)


  • 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


  • 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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