U.S. EPA Certified for Non-Emergency Stationary Genset
Engine Specifications
Bore
7 in
Stroke
8 in
Displacement
3,173 in³
Aspiration
TA
Engine Model
G3512
Governor Type
ADEM A4
Generator Set Dimensions
Length
206 in
Width
90 in
Height
99 in
Weight
27,500 lb
Generator Sets Specifications
Compression Ratio
10
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
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
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 Excitation
Caterpillar's Digital Voltage Regulator (CDVR) including reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, and a min/max exciter
Exterior View