Gas Generator Sets

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G3512 Fast Response Virtual Product Tour

Details

Gas Standby Rating
750 ekW @ 0.8pf

Fuel Type
Natural Gas, Hydrogen Blend (up to 5%)

Emissions/Fuel Strategy
U.S. EPA Certified for Non-Emergency Stationary Genset

Contact

Foley Equipment Sales

+1 (316) 943-4211

Request a Quote

Overview

525-750 kW Natural Gas Generator

Caterpillar is leading the power generation marketplace with Fast Response generator sets engineered to deliver unmatched performance, reliability, and cost-effectiveness.

Benefits

Certification

Leading edge EPA Certification For Non-Emergency, UL2200, UL1446, and more

Seconds

Complies with industry leading specifications such as NFPA 110 Level 1 Type 10

Block Load

Able to pick up the loads for the entire site in the event of an emergency.

Features at a Glance

Cat G3512 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 and hydrogen blends
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

Cat ECS 100 Control Panel

Cat ECS 100 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

Cooling System

Designed to operate in standard ambient temperatures up to 43°C (110°F)
Contact your Cat Dealer for specific ambient and altitude capabilities

Emissions

EPA Certified for use in Emergency and Non-Emergency applications
Additional a NOx selectable genset is available to 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

Specifications

Full Specifications

Generator Set Specifications: Gas Standby Rating
750 ekW @ 0.8pf

Fuel Type
Natural Gas, Hydrogen Blend (up to 5%)

Emissions/Fuel Strategy
U.S. EPA Certified for Non-Emergency Stationary Genset

RPM
1800 rpm

Frequency
60 Hz

Displacement
3173 in³

Engine Specifications: Engine Model
G3512

Displacement
3173 in³

Aspiration
TA

Bore
6.7 in

Stroke
7.5 in

Governor Type
ADEM A4

Generator Set Dimensions: Length
205.7 in

Width
90 in

Height
99.4 in

Weight
27500 lb

Equipment

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

Cat ECS 100

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
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