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CM20C Generator Set

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Overview

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.

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Reliable Operation

Intensive cooling of key components including exhaust valve seats, injector cooling integrated into lube oil system
Reliable, proven and high efficient single turbo charging system
Classification society standards ensure high safety and quality
Intelligent simplicity ensures a robust engine platform

Control & Monitoring

Ultrafast start time and load acceptance
No engine start limitations
Continuous power (base and peak load), prime power, stand-by
Part load with high efficiency
Monitoring for unattended operation
Asset intelligence system

Ease Of Installation

Reduced complexity of standard modular design allows an easy installation
Low space requirements between the gensets
Genset is ready for installation
Generator set designed for direct elastic mounting

Ease Of Operation

Low fuel and oil consumption
Low maintenance requirements
Operator and maintenance training courses available

Intelligent Simplicity

High reliability, modular design and integral construction reduce the number of components by 40% over conventional designs e.g.:
- Dry engine block with integrated ducts for lubricating oil and charge air and underslung crankshaft
- Compact cylinder head design
Smart maintenance solutions:
- Easily removable cylinder heads, quick removable fluid connections
- Split connecting rods to allow fast and easy piston removal without disturbing the big end bearing
- Segmental camshaft design
- Simplified parts spectrum by using single-pipe exhaust gas
- Engine block free from cooling water

Ease Of Maintenance

Smart maintenance solutions allow an easy component accessibility
Large inspection openings afford an easy serviceability to core engine internals
Core engine components designed for reconditioning and reuse
Short maintenance times enable high availability
No engine removal necessary for maintenance and overhauls

Fuel

Liquid: Light fuel oil (LFO), crude oil and heavy fuel oil (HFO) with fuel quality up to 700 cSt/50°C according to CIMAC H55/K55
Dual:
- Light fuel oil (LFO), crude oil and heavy fuel oil (HFO) with fuel quality up to 700 cSt/50°C according to CIMAC H55/K55
- Natural gas with methane number > 80 and lower heating value of 28MJ/Nm3

Emissions

World bank emission certification (Stage 2)
Technische Anleitung (TA) Luft (only gas)
Post-emission treatment systems for lower emission requirements available

Expertise & Experience

Assistance for planning - delivery - commissioning - operation and service)
Expertise and experience for solutions to maximize benefits, e.g. combine heat and power systems (CHP)

World Wide Product Support

With nearly 200 Cat dealers we are at home around the globe
Factory-trained technicians, original parts and support are never out of reach
Long term service agreements offer back-to-back services from preventive maintenance, scheduled maintenance to full operation and maintenance of your asset

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/Optional Features

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:

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CM20C Diesel Generator Sets

Engine Model: CM20C, 4-stroke-engine
Voltage: 3000 to 13800 Volts
Maximum Rating: 1650 kWe

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