CM20C Generator Set
US
Metric
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.
Generator Set Specifications
Genset Rating Range
985 - 1650 kWe
Engine Specifications
Engine Rating Range
1020 - 1710 kW
Generator Set Specifications
Emission Level Up To
World bank emission certification (Stage 2)
Voltage
3000 to 13800 Volts
Engine Specifications
Engine Type
4-stroke-engine
Generator Set Specifications
Frequency At Speed
50 Hz @ 1000 / 60 Hz @ 900
Engine Specifications
Configuration
6,8,9 cylinder
Fuel Type
Diesel oil / heavy fuel oil (HFO) / crude oil
Generator Set Specifications
Aspiration
Turbocharged-aftercooled
Bore
7.87 in
200.00 mm
Stroke
11.81 in
300.00 mm
Engine Specifications
Specific Fuel Oil Consumption (WB I) Up To
0.42 Ib/kWh
189.00 g/kWh
Specific Fuel Oil Consumption (WB II) Up To
0.42 Ib/kWh
189.00 g/kWh
Specific Lube Oil Consumption
0.00 Ib/kWh
0.60 g/kWh
Generator Set Specifications
Emergency Ramp Up 10% To 100% Load
25 s
Genset Efficiency Up To
43.10%
Engine Specifications
Mean Effective Pressure Up To
351.00 psi
24.20 bar
Generator Set Specifications
Normal Ramp Up To 100% Load
75 s
Ready To Accept Loads (Preheated/Vented)
40 s
Engine Specifications
Swept Volume
575.00 in³
9.40 l/cyl
Generator Set Dimensions
Length - Maximum
281.00 in
7125.00 mm
Length - Minimum
239.00 in
6073.00 mm
Width - Maximum
71.00 in
1816.00 mm
Width - Minimum
66.00 in
1680.00 mm
Height - Maximum
119.00 in
3010.00 mm
Height - Minimum
112.00 in
2833.00 mm
Dry Weight - Genset (maximum)
66139.00 lb
30.00 ton (US)
Dry Weight - Genset (minimum)
41447.00 lb
18.80 ton (US)
Generator Set Specifications
Minimum Rating
985 kWe
Maximum Rating
1650 kWe
Emissions/Fuel Strategy
(WB) Stage 1 and 2
Duty Cycle
Prime, Continuous
Engine Specifications
Engine Model
CM20C, 4-stroke-engine
Bore
7.87 in
200.00 mm
Stroke
11.81 in
300.00 mm
Aspiration
Turbocharged-aftercooled
Features
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
- Optimized service schedules enable high availability and long durability
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 - State-of-art material ensures long life time
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 - Gaseous: Natural gas with methane number > 80 and lower heating value of 31.5 MJ/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
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
WARNING