Gas Generator G3516A

From natural gas-fueled combined heat and power (CHP) systems and emergency power for facilities, to renewable biogas energy to support the local grid, or electricity generated from coal mine gases, Caterpillar has a wide range of reliable gas power solutions.


Cat G3516A Gas Engine

  • Robust high speed block design provides prolonged life and lower owning operationg costs
  • Designed for maximum performance on low pressure pipeline natural gas
  • Simple open chamber combustion system for reliability and fuel flexibility
  • Leading edge technology in ignition system and air/fuel ratio control for lower emission and engine efficiency
  • One electronic control module handles all engine functions: ignition, governing, air/fuel ratio control and engine protection

SR5 Generator

  • Designed to match performance and output characteristics of Caterpillar gas engines
  • Industry leading mechanical and electrical design
  • High efficiency

EMCP 4.3 Control Panel

  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Expansion modules and site-specific programming for specific customer requirements


  • Meets most worldwide emissions requirements down to 0.5 g/bhp-hr NOx level without aftertreatment

Proven System

  • Field proven in a wide range of applications worldwide
  • Fully prototype tested
  • Certified torsional vibration analysis available

Full Range of Attachments

  • Wide range of bolt-on system expansion attachments
  • Factory designed and tested
  • Flexible packaging options for easy and cost effective installation

Worldwide Product Support

  • Cat dealers have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements

Virtual Tours

Standard Equipment

  • Dry exhaust manifolds, insulated and shielded
  • Anti-condensation space heater
  • Permanent magnet excitation
  • SR4B
  • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
  • 24V starting motors
  • Crankshaft vibration damper and guard
  • Paint - Caterpillar Yellow except rails are gloss black
  • Operation and maintenance manuals
  • Parts book

Additional information

Offering Type

Generator Set Specifications - Continuous Rating

1085 ekW

Generator Set Specifications - Fuel Type

Natural Gas, Biogas, Coal Gas

Generator Set Specifications - Maximum Electrical Efficiency


Generator Set Specifications - Maximum Standby Rating

1000 kw

Generator Set Specifications - Frequency

50 / 60 Hz

Generator Set Specifications - RPM

1200 / 1500 rpm

Engine Specifications - Engine Model


Engine Specifications - Displacement

69 l ( 4210 in³ )

Engine Specifications - Aspiration


Engine Specifications - Bore

170 mm ( 6.7 in )

Engine Specifications - Stroke

190 mm ( 7.5 in )

Generator Set Dimensions - Length

4913 mm ( 193 in )

Generator Set Dimensions - Width

1736 mm ( 68 in )

Generator Set Dimensions - Height

1940 mm ( 76 in )

Generator Set Dimensions - Dry Weight - Genset

12549 kg ( 27670 lb )

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