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Emissions

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 EMCP4.3 Control Panel

The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4.3 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4.3 systems can be further customized to meet your needs through programming and expansion modules.

Proven System

Field proven in a wide range of apllications worldwide, fully protype tested, and certified torsional vibration analysis available

CAT G3516B 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

CAT electronic control system

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

G3516B Standard Equipment

Air Inlet
  • Single element canister type air cleaner with service indicator

Control Panel
  • EMCP 4.3

Cooling
  • Engine driven water pumps for jacket water and aftercooler
  • Jacket water and SCAC thermostats
  • CAT flange connections

Circuit Breaker
  • Left, Right, or Rear-Mounted
  • 1600A-2000A, 3-Pole UL Rated Circuit Breakers

Exhaust
  • Dry exhaust manifolds, insulated and shielded
  • CAT flanged faced outlets
  • Provides exhaust port temperatures and stack temperature to customer supplied screen via CCM

Fuel System
  • Throttle plate, hydraulically actuated and controlled by GECM
  • Fuel system is sized for 31.5 to 47.2 MJ/NM3 dry pipeline natural gas with pressure of 10.2 to 34.5KPa to the engine fuel control valve
  • 24V DC engerized-to-run gas shutoff valve

Ignition System
  • Electronic Ignition System (controlled by GECM)
  • Individual Cylinder Detonation Sensitive Timing (DST)�

Generator
  • SR4B
  • 3-phase brushless, salient pole
  • Caterpillar's digital voltage regulator (CDVR) with droop capability, 3-phase sensing, KVAR/PF modes
  • Anti-condensation space heater
  • IEC Platinum stator RTDs
  • Winding temperature detectors
  • Permanent magnet excitation

General
  • Crankshaft Vibration Damper and Guard
  • Operation and maintenance manuals
  • RH Service
  • Parts book

Govrerning System
  • HV Load share module

G3516B Optional Equipment

Air Inlet
  • Air inlet adapters- rectangular or round

Circuit Breaker
  • 3 Pole UL 489 Listed
  • 3 Pole IEC 947-2 Rated
  • 1200A, 1600A, 2000A, 2500A, 3200A circuit breaker with shunt trip and auxiliary contacts

Control Panel
  • Local alarm module
  • Remote annuciator
  • Customer Interface Module
  • Synchronizing module
  • PL1000E/PL1000T communications module
  • Engine failure relay

Cooling
  • Flexible connection for jacket water inlet and outlet

Exhaust
  • Flange
  • Exhaust Expander
  • 203mm/305mm Elbow
  • Flexible Fitting (203mm)
  • 15 dBA, 356mm (14 in) muffler attenuation

Fuel System
  • Fuel filter/ Gas filter
  • 206-412 kPa (30-60psi) gas knockdown regulator

Generator
  • 3-phase, 380/480/600/4160V @ 1800rpm generator (60 Hz)
  • Low voltage extension box
  • 2400V delta conversion
  • Cable access box
  • Generator air filter
  • Bearing temperature detectors
  • European bus bar
  • Medium and high voltage generators and attachment
  • Manual voltage control

General
  • US AID Emblem
  • Special paint order
  • Tool set
  • Digital diagnostic tool

Starting/Charging
  • Charging alternator
  • 10A/20A Battery charger
  • Jacket water coolant heater
  • Electric starting motor LH
  • 24V Battery Set

Why Choose Cat® Electric Power?

Caterpillar offers a comprehensive variety of electric power systems, customized to fit your needs. Our specialized systems deliver high power and performance in industries across the globe. With Caterpillar, you get outstanding manufacturing quality, expert support, and the essential tools and applications to complete any project.

Learn More About Electric Power

EMCP 4 Generator Set Controls

Cat generator sets provide a complete factory-built solution with fully featured standard and advanced controls. Optional accessories enhance the capabilities of the genset package-mounted control system.

Learn More

Application Center

Explore valuable resources for generator sizing, specification, and training materials. SpecSizer evaluates load types, collects data, and organizes it to help you select the generator set that's best for you. Find product comparisons, technical data, product sizing, and more using our technical information portal (TIP) specifically created for consultants, architects, engineers, and owners.

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