G3516H Standard Equipment

Air Inlet

  • Package Mounted Air Cleaner with service indicator


  • Engine driven water pumps for jacket water and after cooler
  • Flanged coolant outlet


  • Center section cooled turbocharger with Cat flanged outlet


  • Paint - Caterpillar Yellow except rails and radiators gloss black
  • Crankshaft vibration damper and guard
  • Operation and maintenance manuals
  • Parts book

G3516H Optional Equipment

Air Inlet

  • Heavy Duty air cleaner with precleaner

Control Panels

  • Remote monitoring software

Select Units


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.

Gas Generator Sets Specification

  • Maximum Continuous Rating 2027 ekW 2027 ekW
  • Fuel Type Natural Gas Natural Gas
  • Maximum Electrical Efficiency 44.70% 44.70%
  • Maximum Standby Rating 2027 2027
  • Frequency 50/60Hz 50/60Hz
  • RPM 1500rpm 1500rpm

Engine Specifications

  • Aspiration TA TA
  • Bore 6.7 in 170.0 mm
  • Displacement 4765.0 in³ 78.0 l
  • Engine Model G3516H G3516H
  • Stroke 8.5 in 215.0 mm

Generator Set Dimensions

  • Length 291.0 in 7395.0 mm
  • Width 84.0 in 2139.0 mm
  • Height 95.0 in 2402.0 mm
  • Dry Weight - Genset 40384.0 lb 18315.0 kg


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

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

Proven system

CAT® G3516C & G3516H Gas Engine

Robust high speed diesel block design provides prolonged life and lower owning operationg costs. Designed for maximum performance on low pressure gaseous fuel supply. 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

Cat SR4B Generator

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

Cat EMCP4 Control Panel

The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4 systems can be further customized to meet your needs through programming and expansion modules.

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Branch Locations

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Effectively manage your equipment to reduce operating costs and improve efficiency.


Integrated technology can help you understand your equipment's output and help extend its lifespan.


Quick and easy financing with customised payment plans through Cat Financial.

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