U.S. EPA Certified for Non-Emergency Stationary Genset
Generator Set Configurations
Emissions/Fuel Strategy
U.S. EPA Stationary Emergency Certified
Generator Set Dimensions
Length
206 in
Width
90 in
Height
99 in
Weight
27,500 lb
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
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
EMCP4.3 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
World Wide 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
Air Inlet
Two-element single-stage air cleaner with enclosure and service indicator
Dual air cleaners, 1 per side, with service indicator
Control Panel
EMCP 4.3
Cooling System
Engine driven pumps for jacket water and separate circuit aftercooler
Cooling
Package mounted radiator
Jacket water and SCAC engine-driven pumps
Jacket water and SCAC thermostats
LH or RG connections when radiator is not selected
Exhaust
Dry exhaust manifolds, insulated and shielded
Individual exhaust port and turbocharger outlet wired to integrated temperature sensing module (ITSM) with GCEM providing alarms and shutdowns
Cat-flanged face outlet on turbocharger
Fuel
NOx sensor based air-fuel-ratio control
Pipeline Natural Gas: 800-1000 BTU/scf and 70-100 Methane Number
Gas Train: NFPA37 and CSA B149.3
0.5 to 5 psi engine fuel inlet pressure
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
Engine-installed electronic control valve
Throttle plate, 24V DC actuator, controlled by GECM
24V DC energized-to-run (ETR) gas shutoff valve
Gas pressure regulator
General
Operation and maintenance manuals
Paint- Caterpillar Yellow except rails and radiators gloss black
Parts book
“Stationary Use Only” Label in Correspondence with EPA Nonroad Mobile SI rule
RH Service
Crankshaft vibration damper and guard
Lubrication
Cartridge style oil filter
Gear type lube oil pump
Starting/charging
Jacket water heater
Battery with cables and rack (shipped loose)
Electric Starter
Batteries with rack and cables
24V DC starting motors
Generator
NEMA Class H insulation
Permanent Magnet Excitiation
SR5
Anti-condensation space heater
Caterpillar's Digital Voltage Regulator (CDVR) including reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, and a min/max exciter
Winding temperature detectors
Ignition System
Electronic Ignition System (controlled by ADEM A4)