6CM34DF

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The 6CM34DF generator set is based on the successful CM32C medium speed engine. Caterpillar Motoren designed the CM34DF to meet and exceed the CM32C reliability and lifetime expectations, ...

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Engine Specifications

Minimum Rating: 3600kV·A
Maximum Rating: 3600kV·A
Emissions: IMO Tier II
Engine Control: Electronic
Displacement: 15317in³
Bore: 13.39in
Aspiration: Turbocharged Aftercooler
Speed - 60 Hz: 720 rpm
Speed - 50 Hz: 750 rpm
Stroke: 18.1in
Weight: 128000lb

Dimensions

Width: 103.9in
Length: 359.4in
Height: 207.7in

Ease of Installation

Standard modular design allows for ease of installation and reduced complexity - Low installation cost with auxiliary systems mounted on engine - Cooling water system with simple plug-in connections

Improved Serviceability

Large inspection openings for convenient access to core engine components - 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 - Segmental camshaft design - Split connecting rod design for quick piston removal -Individual camshaft segments for easy removal

Standard Equipment:

Engine

Motor-driven barring gear, fitted on engine
Emergency shutdown equipment with pushbutton for manual emergency stop
Fuel injector and integrated gas admission valve with easy service and maintenance access
Cylinder pressure sensors for highest operational reliability and efficiency, replacing conventional knocking sensor technology
Piston, rings and liners designed for operation on gas and liquid fuels

Turbo Charger

Optimized engine efficiency in gas and diesel operation
Blow-off valve and waste gate technology for optimized air-fuel ratio control

Gas System

Double-walled gas piping to support an inherently safe engine room concept
Leakage detection
Gas valve unit
Segmented gas detection system on request

Micro Pilot Fuel Injection System

Gear driven high pressure fuel pump and filter system with easy service access
Reliability combined with service and maintenance simplicity, through individual ignition fuel injector and “in-cylinder head” integrated ignition fuel return pipes.

Exhaust System

Front-mounted 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

Fresh Cooling Water System

HT pump, fitted on engine
LT pump, separate, vertical design, electric motor driven
HT thermostat, remote-mounted, electric controlled
Cooling water preheating equipment, fitted on base frame

Lubricating Oil System

Plate cooler, fitted on engine
Force pump, fitted on engine
Pre-lubrication pump, fitted on base frame, electric motor driven
Automatic back-flushing filter
Duplex filter with differential pressure indication, fitted on engine
Pressure control valve, fitted on engine
Thermostat, remote-mounted, electric controlled

Connections

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

Instrumentation

Gauge board with liquid-dampened 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

Monitoring

Manual control on engine, including: control panel with start/stop key, speed setting device, mechanical shutdown device, changeover of control functions from engine to remote control
Starting solenoid valve on engine, 24 V DC
Separate electronic speed governor

6CM34DF