G3612 Gas Engine

Gas Compression Engines G3612 A4

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Key Specs

Maximum Rating
4000 BHP
2983 bkW
Emissions
NSPS Site Compliant Capable
NSPS Site Compliant Capable
Displacement
15528 in³
254 l

Overview

G3600 A4 engines provide a wide range of power options to fit your gas compression application. G3600 A4 engines bring the highest uptime in the industry and long operating intervals between overhaul. Operators that use G3600 A4 engines in their fleet enjoy virtually no unscheduled downtime, the right power for their application, the lowest operating costs, and emissions compliance. Ideal applications for G3600 A4 engines include centralized gathering stations, gas processing, transmissions, and storage applications. Cat G3612 A4 gas engine with ratings: 2796-2983 bkW (3750-4000 bhp) @ 1000 rpm. NSPS site compliant capable.

Product Specifications for G3612 A4

Maximum Rating 4000 BHP 2983 bkW
Emissions NSPS Site Compliant Capable NSPS Site Compliant Capable
Displacement 15528 in³ 254 l
Minimum Rating 3750 BHP 2796 bkW
Compression Ratio 9.2:1 9.2:1
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled
Rotation from Flywheel End Counterclockwise Counterclockwise
Flywheel Teeth 255 255
Weight - Dry 58500 lb 26535 kg
Oil Change Interval 5000 hours 5000 hours
Ignition, Protection ADEM™ A4 ADEM™ A4
Stroke 11.8 in 300 mm
Bore 11.8 in 300 mm
Cooling System 194 gal (US) 734 l
Lube Oil System - Refill 272 gal (US) 1030 l

G3612 A4 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 pump
  • Aftercooler water thermostats and housing
  • Two-stage aftercooler

Exhaust System

  • Dry wrapped exhaust manifolds
  • Vertical outlet adapter

Flywheel & Flywheel Housing

  • 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 breathers — top mounted
  • Oil cooler
  • Oil filter
  • Oil pan drain valve

Mounting System

  • Engine mounting feet (six 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 dampers

G3612 A4 Optional Equipment

Air Inlet System

  • Heavy-duty air cleaner with precleaners and rain protection

Charging System

  • 35 Amp & 65 Amp chargin alternators - CSA approved

Exhaust System

  • Flexible bellows adapters
  • Exhaust expander
  • Weld flanges

Fuel System

  • Fuel filter
  • Gas pressure regulator
  • Flexible connection
  • Low energy fuel system
  • Corrosive gas fuel system

Instrumentation

  • Remote data monitoring and speed control
  • Compatible with Cat Electronic Technician (ET) and Data View
  • LCD display panel
  • Color HMI display
  • Modbus and Ethernet capable

Lube System

  • Air or electric motor-driven prelube
  • Duplex oil filter
  • RH service
  • Lube oil makeup system

Mounting System

  • Mounting plates (set of six)

Power Take-Offs

  • Front stub shafts

Starting System

  • Air pressure reducing valve
  • Natural gas starting system

General

  • Engine barring device
  • Damper guard

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