CM20C Generator Set

Caterpillar electric power stands for reliable energy supply. Especially during the energy system transformation, Cat generator sets close the energy gap caused by renewable energy source such as wind and photo voltaic. Short ramp up time, low operating costs and rapid maintenance times ensures a high availability according to the need of our customers. Combined heat /cool and power solutions allow our customers to maximize the efficiency and earnings paired with low emissions. Wherever power is needed around the globe, Caterpillar is able to support you with the best products and services to maximize your profit.

Generator Set Specifications

Minimum Rating 985 kWe
Maximum Rating 1650 kWe
Emissions/Fuel Strategy (WB) Stage 1 and 2
Voltage 3000 to 13800 Volts
Frequency At Speed 50 Hz @ 1000 / 60 Hz @ 900
Duty Cycle Prime, Continuous
Ready To Accept Loads (Preheated/Vented) 40 s
Normal Ramp Up To 100% Load 75 s
Emergency Ramp Up 10% To 100% Load 25 s
Genset Efficiency Up To 43.10%

Engine Specifications

Engine Model CM20C, 4-stroke-engine
Bore 7.87in
Stroke 11.81in
Aspiration Turbocharged-aftercooled
Engine Rating Range 1020 - 1710 kW
Configuration 6,8,9 cylinder
Fuel Type Diesel oil / heavy fuel oil (HFO) / crude oil
Swept Volume 575in³
Mean Effective Pressure Up To 351psi
Specific Fuel Oil Consumption (WB I) Up To 0.417Ib/kWh
Specific Fuel Oil Consumption (WB II) Up To 0.417Ib/kWh
Specific Lube Oil Consumption 0.001Ib/kWh

Generator Set Dimensions

Length - Minimum 239in
Length - Maximum 281in
Width - Minimum 66in
Width - Maximum 71in
Height - Minimum 112in
Height - Maximum 119in
Dry Weight - Genset (minimum) 41447lb
Dry Weight - Genset (maximum) 66139lb

Standard Equipment

  • Fuel System
    • Pre-pressure module
    • Circulation module
    • Separator module
    • Gas valve unit (GVU) (only dual fuel (DF) and gas)
    • Engine ventilation module (only dual fuel (DF) and gas)
    • Ignition fuel oil module (only dual fuel (DF))
  • Lubricating Oil System
    • Combined module: cooling water system and lube oil system
    • Piping interface module
    • Lube oil separator module
  • Cooling Water System
    • Piping interface module
    • Cooling water system with radiators
    • Combined module: see lube oil system
  • Starting System
    • Starting air compressor module
    • Starting air receiver module
  • Combustion Air System
    • Air filter - oil bath
    • Air filter - pulse
    • Air filter - pocket
  • Exhaust System
    • Selective catalytic reduction (SCR) system
    • Oxidation catalytic (Oxicat) converter system
    • Exhaust gas ventilation module (only dual fuel (DF) and gas)
    • Exhaust gas silencer
  • Control & Monitoring System
    • Motor control center module (MCC)
    • Local data panel (LDP) / generator control panel (GCP)
    • Local control panel (LCP)
    • Engine monitoring package
    • Gas leak detection per cylinder (only dual fuel (DF) and gas)
  • Mounting System
    • Elastic mounting - genset/engine

Optional Equipment