CG170-12 1000 - 1125 kW

Gas Generator Sets CG170-12 K

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Key Specs

Continuous Rating
1125 ekW
1125 ekW
Fuel Type
Natural Gas
Natural Gas
Maximum Electrical Efficiency


Natural Gas Generator Set 1000 - 1125 KW

From natural gas-fueled combined heat and power (CHP) systems and emergency power for facilities, to renewable biogas energy to support the local grid, or electricity generated from coal mine gases, Caterpillar has a wide range of reliable gas power solutions.


Up to 49% Greater oil change interval

Lower lube oil consumption leading to greater time interval between lube oil changes

Up to 31% Savings on Service

Extended maintenance intervals leading to lower service costs

Up to 1900 L/Year Lower lube oil consumption

leading to lower service costs and extended maintenance intervals

Product Specifications for CG170-12 K

Continuous Rating 1125 ekW 1125 ekW
Fuel Type Natural Gas Natural Gas
Maximum Electrical Efficiency 40.90% 40.90%
Frequency 50 or 60 Hz 50 or 60 Hz
RPM 1500 or 1800 rpm 1500 or 1800 rpm
Engine Model CG170K-12 CG170K-12
Displacement 3240 in³ 53.1 l
Aspiration TA TA
Bore 6.7 in 170 mm
Stroke 7.7 in 195 mm
Length 235 in 5970 mm
Width 71 in 1810 mm
Height 87 in 2210 mm
Dry Weight - Genset 28659.8 lb 13000 kg

CG170-12 K Standard Equipment

Air Inlet

  • Two-element single-stage air cleaner with enclosure and service indicator
  • Turbocharger for the CG170K comes with a water-cooled bearing case

Control Panels

  • TEM(Total Electronic Management)


  • Low resistence exhaust system
  • Closed crankcase ventilation system


  • Jacket water and SCAC thermostats
  • Flange connections for JW inlet and outlet
  • Engine driven water pumps for jacket water and after cooler

Fuel system

  • Pre-chamber spark plugs
  • Electronic fuel metering valve
  • Independently controlled cylinder monitoring and ignition system


  • Busbar connections
  • 3-phase sensing and KVAR/PF control
  • Winding temperature detectors
  • Reactive droop
  • Anti-condensation space heater


  • 24V starting motors
  • Battery disconnect switch


  • Crankshaft vibration damper and guard

CG170-12 K Optional Equipment

Air Inlet

  • Mounting stand
  • Air cleaner with precleaner


  • CHP skid

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