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 1312 ekW 1312 ekW
  • Fuel Type Natural Gas Natural Gas
  • Maximum Electrical Efficiency 35.50% 35.50%
  • Maximum Standby Rating 1500kW 1500kW
  • Frequency 50/60Hz 50/60Hz
  • RPM 1500/1800rpm 1500/1800rpm

Engine Specifications

  • Aspiration TA TA
  • Bore 6.7 in 170.0 mm
  • Displacement 4210.0 in³ 69.0 l
  • Engine Model G3516C G3516C
  • Stroke 7.5 in 190.0 mm

Generator Set Dimensions

  • Length 165.0 in 4203.0 mm
  • Width 85.0 in 2155.0 mm
  • Height 95.0 in 2419.0 mm
  • Dry Weight - Genset 27823.0 lb 12618.0 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

World Wide Product Support

Cat dealers provide extensive post-sale support including maintenance and repair agreements. Cat dealers have over 1,800 dealer branch stores operating in 200 countries. The Caterpillar S•O•S℠ program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products

Cat SR4B Generator

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

Cat EMCP II+ Control System

Simple user friendly interface and navigation. Digital monitoring, metering and protection setting. Fully-featured power metering and protective relaying. UL508A listed. Remote control and monitor capability options

G3516B Standard Equipment

Air Inlet

  • Modular air cleaner, single element service indicator

Control Panels

  • EMCP II+


  • Engine driven water pumps for jacket water and after cooler
  • Jacket water and SCAC thermostats
  • Cat flanges on SCAC circuit


  • Dry exhaust manifolds, insulated and shielded
  • Exhaust flange outlet

Fuel system

  • Electronic fuel metering valve
  • Electric air-fuel ratio control
  • Gas shutoff valve
  • 24V energized-to-run


  • Permanent magnet excitation
  • Form would stator
  • Stator RTDs
  • Bus bar termination
  • DVR with adjustable 1:1 or 2:1 volts/Hz
  • Extension box
  • segregated low voltage wiring panel
  • Single bearing


  • 24V starting motors
  • Battery with cables and rack(shipped loose)
  • Battery disconnect switch
  • 60A, 24V charging alternator (standard on 60Hz 1800 rpm only)


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

G3516B Optional Equipment

Control Panels

  • Local alarm module
  • Remote annuciator
  • Customer Interface Module
  • Synchronizing module


  • Muffler and spark-arresting muffler without companion flanges
  • 15dBA muffler
  • 18dBA muffler

Fuel System

  • Fuel filter
  • Gas train with 24V double gas shutoff valve
  • Isolation valve
  • Gas pressure regulator
  • Gas leak detection


  • Low voltage extension box
  • Bearing temperature detectors
  • Oversize and premium generators
  • Digital voltage regulator with KVAR/PF control
  • Circuit breaker


  • Charging alternator
  • Battery charger
  • Oversized battery
  • Jacket water heater
  • Air starter system


  • EEC declaration of incorporation

News & Events

View the latest company and product news, events and customer stories.


View the latest offers available on a range of Cat® equipment and genuine parts.

Social Media

Connect with us to learn more about our company, products, services and customers.

Branch Locations

With branches across the UK & Ireland, you can be sure that we’re never far away.


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.

Please share your feedback on!

Close window

We are committed to providing you with the best site experience possible.  Please take our brief survey to tell us how we are doing.

Thank you in advance for your time!