G3408

Overview

Tough and durable, built on the industry-standard G3400 platform bring maximum uptime and low operating cost to your operation. G3408 engines meet the most demanding continuous duty gas compression applications with virtually no unscheduled downtime.Ideal applications for G3408 engines include gas lift, gas gathering, and wellhead gas compression. Cat G3408 gas engine. Ratings: 190-298 bkW (255-400 bhp) @ 1800 rpm are NSPS site compliant capable with customer-provided air-fuel ratio control and aftertreatment or available for non-regulated areas.

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Engine Specifications
Minimum Rating190bkW
Maximum Rating298bkW
EmissionsNSPS Site Compliant Capable or non-regulated
Displacement18l
Compression Ratio9.7:1
AspirationNaturally Aspirated or Turbocharged-Aftercooled
Rotation from Flywheel EndCounterclockwise
Flywheel and Flywheel HousingSAE No. 0
Flywheel Teeth136
Weight - Dry1678kg
Oil Change Interval750 hours
Ignition, ProtectionAltronic III
Stroke152mm
Bore137mm
Capacity for Liquids
Cooling System54.9l
Lube Oil System - Refill46.2l
Air Inlet System
Air cleaner — single element with service indicator
Control System
Governor — Woodward PSG mechanical
Governor control — positive locking
Cooling System
Thermostats and housing
Jacket water pump
Aftercooler water pump
Aftercooler core
Exhaust System
Watercooled exhaust manifolds
Dry exhaust elbow
Flywheel & Flywheel Housing
SAE No. 0 flywheel
SAE No. 0 flywheel housing
SAE standard rotation
Fuel System
Gas pressure regulator
Natural gas carburetor
Ignition System
Digital ignition system
Instrumentation
Service meter
Lube System
Crankcase breather — top mounted
Oil cooler
Oil filter — RH
Auxiliary oil reservoir
Rear sump oil pan
Oil filler in valve cover and dipstick — RH
Mounting System
Engine supports
Protection System
Shutoffs
General
Paint — Cat yellow
Crankshaft vibration damper and drive pulleys
Lifting eyes
Engine Design
- Improved reliability and durability - Ability to burn a wide spectrum of gaseous fuels - Robust diesel strength design prolongs life and lowers owning and operating costs- Broad operating speed range
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 outletsCat factory-trained dealer technicians service every aspect of your petroleum engineCat parts and labor warrantyPreventive maintenance agreements available for repairbefore-failure optionsS•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 productionOwnership 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
Specifications
Engine Specifications
Minimum Rating190bkW
Maximum Rating298bkW
EmissionsNSPS Site Compliant Capable or non-regulated
Displacement18l
Compression Ratio9.7:1
AspirationNaturally Aspirated or Turbocharged-Aftercooled
Rotation from Flywheel EndCounterclockwise
Flywheel and Flywheel HousingSAE No. 0
Flywheel Teeth136
Weight - Dry1678kg
Oil Change Interval750 hours
Ignition, ProtectionAltronic III
Stroke152mm
Bore137mm
Capacity for Liquids
Cooling System54.9l
Lube Oil System - Refill46.2l
Equipment
Air Inlet System
Air cleaner — single element with service indicator
Control System
Governor — Woodward PSG mechanical
Governor control — positive locking
Cooling System
Thermostats and housing
Jacket water pump
Aftercooler water pump
Aftercooler core
Exhaust System
Watercooled exhaust manifolds
Dry exhaust elbow
Flywheel & Flywheel Housing
SAE No. 0 flywheel
SAE No. 0 flywheel housing
SAE standard rotation
Fuel System
Gas pressure regulator
Natural gas carburetor
Ignition System
Digital ignition system
Instrumentation
Service meter
Lube System
Crankcase breather — top mounted
Oil cooler
Oil filter — RH
Auxiliary oil reservoir
Rear sump oil pan
Oil filler in valve cover and dipstick — RH
Mounting System
Engine supports
Protection System
Shutoffs
General
Paint — Cat yellow
Crankshaft vibration damper and drive pulleys
Lifting eyes
Benefits & Features
Engine Design
- Improved reliability and durability - Ability to burn a wide spectrum of gaseous fuels - Robust diesel strength design prolongs life and lowers owning and operating costs- Broad operating speed range
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 outletsCat factory-trained dealer technicians service every aspect of your petroleum engineCat parts and labor warrantyPreventive maintenance agreements available for repairbefore-failure optionsS•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 productionOwnership 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