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Overview

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

Generator Set Specifications

Units:
Gas Standby Rating 750 ekW @ 0.8pf 750 ekW @ 0.8pf Less
Fuel Type Natural Gas Natural Gas Less
Emissions/Fuel Strategy U.S. EPA Certified for Non-Emergency Stationary Genset U.S. EPA Certified for Non-Emergency Stationary Genset Less
RPM 1800 rpm 1800 rpm Less
Frequency 60 Hz 60 Hz Less

Engine Specifications

Engine Model G3512 G3512 Less
Aspiration TA TA Less
Bore 6.7 in 170.0 mm Less
Stroke 7.5 in 190.0 mm Less
Governor Type ADEM A4 ADEM A4 Less

Generator Set Dimensions

Length 205.7 in 5224.0 mm Less
Width 90.0 in 2286.0 mm Less
Height 99.4 in 2525.0 mm Less
Weight 27500.0 lb 12500.0 kg Less

Emissions

One Safe Source

World Wide Product Support

SR5 Generator

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

EMCP 4.2 Control Panel

Proven System

CAT G3512 Gas Engine

CAT Electronic Control System

G3512 750 ekW Standard Equipment

Air Inlet
  • Dual air cleaners, 1 per side, with service indicator
  • Two-element single-stage air cleaner with enclosure and service indicator

Control Panel
  • EMCP 4.3

Cooling
  • Engine driven pumps for jacket water and separate circuit aftercooler
  • Jacket water and SCAC engine-driven pumps
  • Jacket water and SCAC thermostats
  • LH or RG connections when radiator is not selected
  • Package mounted radiator

Fuel
  • NOx sensor based air-fuel-ratio control
  • 0.5 to 5 psi engine fuel inlet pressure
  • Pipeline Natural Gas: 800-1000 BTU/scf and 70-100 Methane Number
  • Gas Train: NFPA37 and CSA B149.3

Exhaust
  • Individual exhaust port and turbocharger outlet wired to integrated temperature sensing module (ITSM) with GCEM providing alarms and shutdowns
  • Dry exhaust manifolds, insulated and shielded
  • Cat-flanged face outlet on turbocharger

Fuel System
  • 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
  • Throttle plate, 24V DC actuator, controlled by GECM
  • Engine-installed electronic control valve
  • Gas pressure regulator
  • 24V DC energized-to-run (ETR) gas shutoff valve

General
  • Crankshaft vibration damper and guard
  • “Stationary Use Only” Label in Correspondence with EPA Nonroad Mobile SI rule 
  • Operation and maintenance manuals
  • Parts book
  • Paint- Caterpillar Yellow except rails and radiators gloss black 
  • RH Service

Lubrication
  • Gear type lube oil pump
  • Cartridge style oil filter

Generator
  • Anti-condensation space heater
  • Winding temperature detectors
  • NEMA Class H insulation
  • SR5
  • Permanent Magnet Excitiation
  • Caterpillar's Digital Voltage Regulator (CDVR) including reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, and a min/max exciter

Governing System
  • ADEM A4

Ignition System
  • Individual Cylinder Detonation Sensitive Timing (DST) 
  • Electronic Ignition System (controlled by ADEM A4) 

Governing
  • ADEM A4 speed governor with 4 to 20ma (0V to 5V) speed input

Starting/Charging
  • 24V DC starting motors
  • Batteries with rack and cables
  • Electric Starter

G3512 750 ekW Optional Equipment

Air Inlet
  • Mounting brackets and piping
  • Air cleaner with precleaner

Circuit Breakers
  • S LSI, G LSIG, P LSIG-P, 4th Digit Type
  • Right, left, rear mounted
  • 1200A, 3 Pole, UL-100% Rated P-Frame Circuit Breakers
  • 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
  • 2000A 3 Pole, UL-100% Rated Masterpact Circuit Breakers
  • 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
  • 3-pole (IEC 947-2 rated)
  • Frame mounting

Control Panel
  • Remote annunciator
  • Local alarm module
  • Local PC monitoring
  • Engine failure relay
  • Remote PC monitoring

Cooling
  • Coolant level drain line with valves, fan with guard
  • Remote radiator for JW and SCAC circuits, level switch included but not wired
  • Inlet/Outlet connections

Exhaust
  • 305 mm (12in.) elbow
  • 18, 25 dBA Attenuation
  • Flexible fittings
  • 305 mm (12 in.) muffler
  • 305mm (12 in) spark arresting muffler
  • 305 mm (12 in.) flange

Fuel System
  • 3, 0-100 kPag, 4-20mA gas train pressure sensors

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

Generator
  • Cable access box
  • Generator air filter
  • European bus bars
  • Low voltage extension box
  • Bearing temperature detectors

Starting/Charging
  • 20A, 24VDC battery charger
  • 24V starting motors
  • Battery with cables and rack (shipped ;ppse_
  • Jacket water heater
  • 45A, 24V charging alternator (requires engine driven pumps)

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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