Gas Compression Engines G3412C

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Key Specs

Maximum Rating
637 BHP
475 bkW
Emissions
NSPS Site Compliant Capable
NSPS Site Compliant Capable
Displacement
1649 in³
27 l

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.

Product Specifications for G3412C

Maximum Rating 637 BHP 475 bkW
Emissions NSPS Site Compliant Capable NSPS Site Compliant Capable
Displacement 1649 in³ 27 l
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
Weight - Dry 4720 lb 2141 kg
Oil Change Interval 750 hours 750 hours
Ignition, Protection Cat EIS Cat EIS
Stroke 6 in 152 mm
Bore 5.4 in 137 mm
Cooling System 14.5 gal (US) 54.9 l
Lube Oil System - Refill 45 gal (US) 170.3 l

G3412C Standard Equipment

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

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

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