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G3608 A4 Gas Compression Engine
Engine Design
- Industry-leading power with ambient-based rating capability
- ADEM4 engine control system provides complete engine control, monitoring, and protection while maintaining emissions.
- Widest fuel tolerance in the industry for application flexibility
- Proven reliability and durability with the lowest owning and operating costs
- Factory-installed thermostats
Emissions
Meets U.S. EPA Spark Ignited Stationary NSPS Emissions for 2010 with the use of an oxidation catalyst
Lean Burn Engine Technology
Lean-burn engines operate with large amounts of excess air. The excess air absorbs heat during combustion reducing the combustion temperature and pressure, greatly reducing levels of NOx. Lean-burn design also provides longer component life and excellent fuel consumption.
Ease of Operation
Includes engine mounted thermostats, compress oil cooler connections, jacket water and lube oil heater connections.
Advanced Digital Engine Management
ADEM4 engine management system integrates speed control, air/fuel ratio control, and ignition/detonation controls into a complete engine management system. ADEM4 has improved: user interface, display system, shutdown controls, and system diagnostics.
Gas Engine Rating Pro
GERP is a web-based program designed to provide site performance capabilities for Cat® natural gas engines for the gas compression industry. GERP provides engine data for your site’s altitude, ambient temperature, fuel, engine coolant heat rejection, performance data, installation drawings, spec sheets, and pump curves.https://gerp.cat.com
Product Support Offered Through Global Cat Dealer
More than 2,200 dealer outlets Cat factory-trained dealer technicians service every aspect of your petroleum engine Cat parts and labor warranty Preventive maintenance agreements available for repairbefore-failure options S•O•SSM program matches your oil and coolant samples against Caterpillar set standards to determine:
- Internal engine component condition
- Presence of unwanted fluids
- Presence of combustion by-products
- Site-specific oil change interval
Over 80 Years of Engine Manufacturing Experience
Over 80 years of natural gas engine production Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products
- Cast engine blocks, heads, cylinder liners, and flywheel housings
- Machine critical components
- Assemble complete engine
| Engine Specifications | |
|---|---|
| Maximum Rating | 2051 bkW (2750 BHP) |
| Emissions | NSPS Site Compliant Capable |
| Displacement | 169.6 l (10350 inu00b3) |
| Minimum Rating | 1864 bkW (2500 BHP) |
| Compression Ratio | Gen 1 (9.2:1) Gen 2 (7:6:1) |
| Aspiration | Turbocharged-Aftercooled |
| Rotation from Flywheel End | Counterclockwise |
| Flywheel Teeth | 255 |
| Weight - Dry | 21092 kg (46500 lb) |
| Oil Change Interval | 5000 hours |
| Ignition, Protection | ADEM™4 |
| Stroke | 300 mm (11.8 in) |
| Bore | 300 mm (11.8 in) |
| Capacity for Liquids | |
|---|---|
| Cooling System | 530 l (140 gal (US)) |
| Lube Oil System - Refill | 912 l (241 gal (US)) |
Standard Equipment
- Air Inlet System
- Air cleaner — standard-duty
- Inlet air adapter
- Control System
- A4 control system — provides electronic governing integrated with air/fuel ratio control and individual cylinder ignition timing control
- Cooling System
- Jacket water pump
- Jacket water thermostats and housing
- Aftercooler/oil cooler pump
- Aftercooler/oil cooler thermostats and housing
- Two-stage aftercooler
- Jacket water heater connections
- Standard ANSI connections
- Exhaust System
- Dry wrapped exhaust manifolds
- Vertical outlet adapter
- Flywheels & Flywheel Housings
- SAE standard rotation
- Fuel System
- Gas admission valves — electronically controlled fuel supply pressure
- Ignition System
- A4 control system — senses individual cylinder detonation and controls individual cylinder timing
- Lube System
- Crankcase breather — top mounted
- Oil cooler
- Oil filter
- Oil pan drain valves
- Mounting System
- Engine mounting feet (four total)
- Protection System
- Electronic shutoff system with purge cycle
- Crankcase explosion relief valves
- Gas shutoff valve
- Starting System
- Air starting system
- General
- Paint — Cat yellow
- Vibration damper
Optional Equipment
- Air Inlet System
- Heavy-duty air cleaner — with precleaners
- Heavy-duty air cleaner with rain protection
- Charging System
- Charging alternators
- Control System
- Custom control system software — available for nonstandard ratings, field programmable using flash memory
- Cooling System
- Expansion tank
- Flexible connections
- Jacket water heater
- Exhaust System
- Flexible bellows adapters
- Exhaust expander
- Weld flanges
- Fuel System
- Fuel filter
- Gas pressure regulator
- Flexible connection
- Instrumentation
- LCD display panel
- Color HMI Display
- Remote data monitoring and speed control
- Compatible with Cat Electronic Technician (ET) and Data View
- Modbus and Ethernet capable
- Lube System
- Air or electric motor-driven prelube
- Duplex oil filter
- Mounting System
- Mounting plates (set of six)
- Power Take-Offs
- Front stub shafts
- Starting System
- Air pressure reducing valve
- General
- Engine barring device
- Dual vibration damper with guard