G3512

Overview

The line of G3500 engines brings versatility, uptime, and low operating cost to your gas compression operation. They are equipped with ADEM A3 technology that enables highest performance and safety while maintaining low emissions. Ideal applications for G3500 engines include gas lift, gas gathering, and wellhead gas compression. Cat G3508 gas engine. Ratings: 589-749 bkW (790-1004 bhp) @ 1200-1400 rpm are NSPS site compliant capable with customer-provided aftertreatment.

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Engine Specifications
Minimum Rating589bkW
Maximum Rating749bkW
EmissionsNSPS Site Compliant Capable
Ignition, ProtectionADEM™ A3
Air/Fuel Ratio ControlADEM™ A3
Air Inlet System
Air cleaner — intermediate-duty with service indicator
Cooling System
High temperature circuit (engine jacket + oil cooler):
Low temperature circuit (aftercooler):
Exhaust System
Watercooled exhaust manifolds
Crankcase breather — top mounted
Flywheels & Flywheel Housings
SAE No. 00 flywheel
SAE No. 00 flywheel housing
SAE standard rotation
Fuel System
Gas pressure regulator
Natural gas carburetor
Instrumentation
Advisor panel
Lubrication System
Oil cooler
Oil filter — RH
Oil bypass filter (TA or NA engines only)
Oil pan — shallow
Oil sampling valve
Turbo oil accumulator
Mounting System
Rails, engine mounting — 254 mm (10 in.)
Protection System
Electronic shutoff system
Gas shutoff valve
General
Paint — Cat yellow
Vibration damper and guard — dual 484 mm (23 in.)
Emissions
Meets U.S. EPA Spark Ignited Stationary NSPS Emissions for 2007/8
Advanced Digital Engine Management
ADEM A3 control system providing integrated ignition, speed governing, protection, and controls, including detonation-sensitive variable ignition timing. ADEM A3 has improved: user interface, display system, shutdown controls, and system diagnostics.
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
Side covers on block allow for inspection of internal components
Full Range of Attachments
Large variety of factory-installed engine attachments reduces packaging time
Testing
Every engine is full-load tested to ensure proper engine performance.
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.
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 60 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
Web Site
For all your petroleum power requirements, visit www.catoilandgasinfo.com.
Web Site
For all your petroleum power requirements, visit www.catoilandgasinfo.com.
Specifications
Engine Specifications
Minimum Rating589bkW
Maximum Rating749bkW
EmissionsNSPS Site Compliant Capable
Ignition, ProtectionADEM™ A3
Air/Fuel Ratio ControlADEM™ A3
Equipment
Air Inlet System
Air cleaner — intermediate-duty with service indicator
Cooling System
High temperature circuit (engine jacket + oil cooler):
Low temperature circuit (aftercooler):
Exhaust System
Watercooled exhaust manifolds
Crankcase breather — top mounted
Flywheels & Flywheel Housings
SAE No. 00 flywheel
SAE No. 00 flywheel housing
SAE standard rotation
Fuel System
Gas pressure regulator
Natural gas carburetor
Instrumentation
Advisor panel
Lubrication System
Oil cooler
Oil filter — RH
Oil bypass filter (TA or NA engines only)
Oil pan — shallow
Oil sampling valve
Turbo oil accumulator
Mounting System
Rails, engine mounting — 254 mm (10 in.)
Protection System
Electronic shutoff system
Gas shutoff valve
General
Paint — Cat yellow
Vibration damper and guard — dual 484 mm (23 in.)
Benefits & Features
Emissions
Advanced Digital Engine Management
Lean Burn Engine Technology
Ease of Operation
Full Range of Attachments
Testing
Gas Engine Rating Pro
Product Support Offered Through Global Cat Dealer
Over 80 Years of Engine Manufacturing Experience
Web Site
Web Site
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