G3412C

G3412C Gas Compression Engines

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Key Specs

Maximum Rating
637 BHP
475 bkW
Rated Speed
1800 rpm
1800 rpm
Emissions
Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar Supplied AFRC and Customer Supplied Aftertreatment
Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar Supplied AFRC and Customer Supplied Aftertreatment

Overview

Tough and durable, built on the industry-standard G3400 platform bring maximum uptime and low operating cost to your operation. G3412C Low Emissions (LE) engines meet the most demanding continuous duty gas compression applications with virtually no unscheduled downtime.Ideal applications for G3412C (LE) engines include gas lift, gas gathering, and wellhead gas compression. Cat G3412C (LE) gas engine. Ratings: 475 bkW (637 bhp) @ 1800 rpm are NSPS site compliant capable with customer-provided aftertreatment.

Features At A Glance

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Cat

Engine Design

- Proven reliability and durability- Ability to burn a wide spectrum of gaseous fuels- Robust diesel strength design prolongs life and lowersowning and operating costs- Broad operating speed range
Cat

Emissions

- Meets U.S. EPA Spark Ignited Stationary NSPSEmissions for 2007/8- 2.0 g/bhp-hr NOx emission versions available- Larger turbocharger and aftercooler provide leanair/fuel mixture, low emissions, and excellent fuelconsumption
Cat

Lean Burn Engine Technology

Lean-burn engines operate with large amounts of excessair. The excess air absorbs heat during combustionreducing the combustion temperature and pressure,greatly reducing levels of NOx. Lean-burn design alsoprovides longer component life and excellent fuelconsumption.
Cat

Caterpillar Electronic Ignition System (EIS)

Detonation sensitive timing protects the engine againstdetonation damage. Higher voltage and longer sparkduration mean easier starts, fewer misfires, andsmoother operation. Diagnostic codes help pinpointcylinder and component of interest. Spark plugmaintenance codes identify spark plug condition
Cat

Ease of Operation

-    Deep sump oil pan has a larger capacity for normal750-hour oil change intervals- High-strength pan and rails for excellent mounting andstability- Side covers on block allow for inspection of internalcomponents
Cat

Full Range of Attachments

Large variety of factory-installed engine attachmentsreduces packaging time
Specifications Standard Equipment Optional Equipment

Product Specifications for G3412C

Download Print
Maximum Rating 637 BHP 475 bkW
Rated Speed 1800 rpm 1800 rpm
Emissions Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar Supplied AFRC and Customer Supplied Aftertreatment Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar Supplied AFRC and Customer Supplied Aftertreatment
Minimum Rating 637 BHP 475 bkW
Compression Ratio 8.5:1 8.5:1
Aspiration Turbocharged - Aftercooled Turbocharged - Aftercooled
Rotation from Flywheel End Counterclockwise Counterclockwise
Flywheel and Flywheel Housing SAE No. 0 SAE No. 0
Flywheel Teeth 136 136
Length 96 in 2442 mm
Oil Change Interval 750 hours 750 hours
Width 63 in 1598 mm
Ignition, Protection Cat EIS Cat EIS
Displacement 1649 in³ 27 l
Stroke 6 in 152 mm
Bore 5.4 in 137 mm
Height 77 in 1960 mm
Weight - Dry 2800 lb 6173 kg
Cooling System 14.5 gal (US) 54.9 l
Lube Oil System - Refill 45 gal (US) 170.3 l

G3412C Standard Equipment

Print

Air Inlet System

  • Air cleaner — single element with service indicator

Control System

  • Electronic governor
  • Air/fuel ratio control on 1.0 g/bhp-hr NOx engines

Cooling System

  • Thermostats and housing
  • Jacket water pump
  • Aftercooler water pump
  • Aftercooler core

Exhaust System

  • Watercooled exhaust manifolds
  • Dry exhaust elbow

Flywheels & Flywheel Housings

  • SAE No. 0 flywheel
  • SAE No. 1 flywheel housing
  • SAE standard rotation

Fuel System

  • Gas pressure regulator (1.5 to 5 psi gas supply required)
  • Natural gas carburetor

Ignition System

  • Cat Electronic Ignition System (EIS) with detonationsensitive timing

Instrumentation

  • Service meter

Lube System

  • Crankcase breather — top mounted
  • Oil cooler
  • Oil filter — RH
  • Oil pan — deep sump
  • Oil filler — RH in valve cover and RH dipstick

Mounting System

  • Engine supports

Protection System

  • Detonation sensitive timing control
  • Shutoff

General

  • Paint — Cat yellow
  • Crankshaft vibration damper and pulleys
  • Lifting eyes

G3412C Optional Equipment

Print

Air Inlet System

  • Air cleaner — two-stage
  • Air inlet adapter
  • Precleaner
  • Air cleaner rain cap

Charging System

  • Battery chargers
  • Charging alternators
  • Ammeter gauge
  • Ammeter gauge and wiring
  • Control mounting

Cooling System

  • Radiators
  • Blower fan and fan drives for customer suppliedradiators
  • Expansion tank
  • Heat exchangers

Exhaust System

  • Flexible fittings
  • Elbows
  • Flanges
  • Rain caps
  • Mufflers

Fuel System

  • Dual gas regulator
  • Carburetor kits
  • Fuel filter

Ignition System

  • CSA ignition
  • Ignition ground wiring harness
  • Power supply

Instrumentation

  • Alarm module
  • Gauges and instrument panels

Mounting System

  • Vibration isolators

Power Take-Offs

  • Auxiliary drive pulleys
  • Enclosed clutch and clutch support
  • Front stub shaft
  • Flywheel stub shaft
  • Pulley removal

Protection System

  • Gas valves
  • Status control box interconnect wiring harness

Starting System

  • Air starting motor — electric air start control
  • Air pressure regulator
  • Air silencer
  • Electric starting motors — single 24-volt
  • Starting aids
  • Battery sets

General

  • Special paint

Product Brochures and More Are Ready to Download!

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Oil and Gas
Selected
G3412C
G3412C
Maximum Rating
637 BHP
475 bkW
Rated Speed
1800 rpm
1800 rpm
Emissions
Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar Supplied AFRC and Customer Supplied Aftertreatment
Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar Supplied AFRC and Customer Supplied Aftertreatment
Oil and Gas
G3508 LE
G3508 LE
Maximum Rating
670 BHP
500 bkW
Rated Speed
1400 rpm
1400 rpm
Emissions
With Customer supplied Aftertreatment, 2g/bhp-hr NOx
With Customer supplied Aftertreatment, 2g/bhp-hr NOx
View Details
Oil and Gas
G3412
G3412
Maximum Rating
600 BHP
447 bkW
Rated Speed
1800 rpm
1800 rpm
Emissions
Rich Burn: Standard Emissions for Export Only
Rich Burn: Standard Emissions for Export Only
View Details

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G3412C Low Emissions Gas Petroleum Engine Gas Compression Engines

G3412C Low Emissions Gas Petroleum Engine Gas Compression Engines

G3412C Low Emissions Gas Petroleum Engine Gas Compression Engines

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