Oil And Gas

  • Specs Summary
  • Minimum Rating
    3750 bhp (2796 bkW)
  • Maximum Rating
    4000 bhp (2983 bkW)
  • Emissions
    NSPS Site Compliant Capable
  • Displacement
    15528 in3 (254 L)

G3612 A4 Gas Compression Engine

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.

Engine Specifications

  • Minimum Rating 3750 bhp (2796 bkW)
  • Maximum Rating 4000 bhp (2983 bkW)
  • Emissions NSPS Site Compliant Capable
  • Displacement 15528 in3 (254 L)
  • Compression Ratio 9.2:1
  • Aspiration Turbocharged-Aftercooled
  • Rotation (from flywheel end) Counterclockwise
  • Flywheel Teeth 255
  • Weight (dry) 58500 lb (26535 kg)
  • Oil Change Interval 5000 hours
  • Ignition, Protection ADEM™ A3
  • Stroke 11.8 in (300 mm)
  • Bore 11.8 in (300 mm)

Capacity for Liquids

  • Cooling System 194 gal (734 L)
  • Lube Oil System (refill) 272 gal (1030 L)

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

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