Overview
The 9CM20C generator set brings to the offshore industry a legacy of proven reliability and durability in the marine industry. CM offshore generator sets feature standard modular designs, engine-mounted pumps and filters, and a full range of factory attachments that make their installation simple and efficient. Ideal applications for the 9CM20C offshore generator sets are main power on-board production vessels and platforms. Complete package offerings are MCS type-approved and compliant with IMO Tier II emissions standards, making their integration into vessels and platforms a simplified operation. Cat generator sets are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty.
Specifications
| Minimum Rating | 4023 kV·A |
| Maximum Rating | 3600 kV·A |
| Emissions | IMO Tier II |
| Minimum Rating | 1530 ekW |
| Maximum Rating | 1710 ekW |
| Emissions | IMO Tier II |
Benefits & Features
Engine Design
- World-class reliability and durability - Incorporates years of proven component reliability and - durability in marine industry - Medium speed long-stroke engine design - Ideal configuration for dynamically positioned semisubmersible rigs and drillships - Compact cylinder head design - Nodular cast-iron block with integrated ducts for lubricating oil and charge air - Segmental camshaft design - 25° tilt capability in all directions - Engine design based on the higher requirements of heavy fuel oil - High efficiency turbocharger - Cylinder liner, only cooled outside the engine block - Engine control terminal with analog instrumentation in robust cast casing n Connecting rod, oblique split design - Compact module for lower valve drives and injection pump drives with cam followers - Flexible Camshaft Technology (FCT)
Ease of Installation
- Standard modular design allows for ease of installation and reduced complexity - Installation-friendly, due to pumps and filters installed on the engine - Cooling water system with simple plug-in connections - Full range of factory-installed engine attachments allows customization and reduction in installation time
Packaging Concept
- Assembled, tested, and validated as a package to minimize package vibration and maximize component life
See More
Specifications
| Minimum Rating | 4023 kV·A |
| Maximum Rating | 3600 kV·A |
| Emissions | IMO Tier II |
| Weight | 57320 lb |
| Displacement | 5163 in³ |
| Stroke | 11.81 in |
| Bore | 7.87 in |
| Engine Control | Electronic |
| Generator Set Control | Electronic |
| Aspiration | Turbocharged-Aftercooled |
| Height | 133.4 in |
| Width | 71.5 in |
| Length | 280.5 in |
| Minimum Rating | 1530 ekW |
| Maximum Rating | 1710 ekW |
| Emissions | IMO Tier II |
| Weight | 30 ton (US) |
| Displacement | 85 l |
| Stroke | 300 mm |
| Bore | 200 mm |
| Engine Control | Electronic |
| Generator Set Control | Electronic |
| Aspiration | Turbocharged-Aftercooled |
| Height | 3389 mm |
| Width | 1816 mm |
| Length | 7125 mm |
Benefits & Features
Engine Design
- World-class reliability and durability - Incorporates years of proven component reliability and - durability in marine industry - Medium speed long-stroke engine design - Ideal configuration for dynamically positioned semisubmersible rigs and drillships - Compact cylinder head design - Nodular cast-iron block with integrated ducts for lubricating oil and charge air - Segmental camshaft design - 25° tilt capability in all directions - Engine design based on the higher requirements of heavy fuel oil - High efficiency turbocharger - Cylinder liner, only cooled outside the engine block - Engine control terminal with analog instrumentation in robust cast casing n Connecting rod, oblique split design - Compact module for lower valve drives and injection pump drives with cam followers - Flexible Camshaft Technology (FCT)
Ease of Installation
- Standard modular design allows for ease of installation and reduced complexity - Installation-friendly, due to pumps and filters installed on the engine - Cooling water system with simple plug-in connections - Full range of factory-installed engine attachments allows customization and reduction in installation time
Packaging Concept
- Assembled, tested, and validated as a package to minimize package vibration and maximize component life
Improved Serviceability
- Large inspection openings allow for convenient access to core engine internals for easier serviceability - Core engine components designed for reconditioning and reuse at overhaul - Worldwide dealer network with factory-trained technicians means that parts and support are never out of reach - Simplified parts spectrum by using single-pipe exhaust gas ducting
Web Site
For all your petroleum power requirements, visit www.catoilandgasinfo.com
Standard Equipment
- Engine
- Motor-driven barring gear, fitted on engine
- Reversing contractor and pushbutton switch with cable
- Electronic speed setting equipment with actuator and speed pick-up
- Emergency shutdown equipment with pushbutton, separate, for manual emergency stop
- Engine Indicators
- Gauge board with set liquid damped pressure gauges for: fuel, lubricating oil, fresh water, starting air, and charge air.
- On-engine thermometers for fuel, lubricating oil, fresh water, and charge air
- Electric remote speed indicator
- Turbocharger and remote speed indicator
- Exhaust gas temperature indicator
- Control
- Manual control on engine, including: control panel with start /stop key, speed setting device, mechanical shutdown device, change over of control functions from engine to remote control
- Starting solenoid valve on engine, 24 V DC
- Separate electronic speed governor
- Monitoring for Unattended Operation
- Pressure switches, mounted on engine, for: - Lube oil pressure at full load below danger level - Low lube oil pressure - Lube oil pressure below danger level - Lube oil pressure prelubrication failed - Low fresh water pressure at engine inlet - Fresh water pressure at engine inlet below danger level - Low fresh water pressure in LT circuit - Low starting air pressure - Low control air pressure engine/shutdown air pressure - Low fuel pressure at engine inlet Switches for: - High lube oil temperature at engine inlet - Lube oil temperature at engine inlet above danger level - High water temperature at engine inlet - Water temperature at engine outlet above danger level - High charge-air temperature at engine inlet - Detection of water in charge-air duct - Leak fuel level - Alarm contact for high differential pressure at fuel filter - Alarm contact for high differential pressure at lube oil back flushing filter - Set of thermocouples after each cylinder, before and after turbocharger - Crankcase oil mist detector Control Cabinet with housings for wall mounting, including: - Protection equipment designed for automatic and manual stop input signals, starting interlock input signals, monitoring for the wire break of the input signal units and the emergency shutdown solenoid - Speed recording system for overspeed, firing speed and minimum speed - Start /stop logic, controlled by engine automatic start (optional) - Service hour counter - Optional Noris alarm system, cassette type, designed for alarm inputs for the engine including exhaust mean-value monitoring equipment as well as alarm inputs for the propulsion plant - Optional Group alarm panel for the bridge and with optional and acoustic alarm equipment
- Starting Air System
- Separate non-return valve for the starting air pipe to the engine
- Air Intake System
- Air intake filter, fitted on the turbocharger
- Air bottles, separate
- Diesel Oil System
- Circulating pump fitted on engine
- Duplex filter with differential pressure indication
- Exhaust System
- Turbocharger at free end with transition nozzle (0 degrees from the vertical and away from engine), with compressor cleaning device
- Expansion joint separate
- Separate silencer and spark arrester, unlagged 35 dB(A)
- Fresh Cooling Water System
- LT pump, fitted on engine
- HT pump, fitted on engine
- HT thermostat, not powered and separate
- Engine preheating equipment, fitted on base frame
- Lubricating Oil System
- Plate cooler, fitted on engine
- Force pump, fitted on engine
- Prelubrication pump, fitted on base frame, electric motor driven
- Boll and Kirch automatic backflushing filter, fitted on engine
- Pressure control valve, fitted on engine
- Connecting Parts - Engine
- Set of connecting parts between flange coupling and flywheel
- Flexible flange coupling between engine and generator
- Base frame with flywheel guard and incorporating lube oil sump tank, for engine and generator
- Mounting of engine and generator on the base frame
- Set of bonded rubber rails for resilient mounting of the base frame
- Set of flexible pipe connections
- Tools
- Set of tools for the engine including hydraulic tightening tools and nozzle tester
- Set of tools for turbocharger
- Inside micrometer for cylinder liners
- Ruler for cylinder liner
- Spare Parts
- Set of engine spare parts for unrestricted operation
- Set of spare flexible pipe connections
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