Overview
Caterpillar is leading the power generation marketplace with Fast Response generator sets engineered to deliver unmatched performance, reliability, and cost-effectiveness.
Specifications
Units:
| Maximum Standby Rating | 500 ekW @0.8pf |
| Fuel Type | Natural Gas |
| Emissions/Fuel Strategy | U.S. EPA Certified for Emergency Only Stationary Genset |
Benefits & Features
Cat G3412 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
Emissions
- EPA Certified from the factoryfor use in Emergency applications
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
December 4, 2025
Specifications
Units:
| Maximum Standby Rating | 500 ekW @0.8pf |
| Fuel Type | Natural Gas |
| Emissions/Fuel Strategy | U.S. EPA Certified for Emergency Only Stationary Genset |
| Frequency | 60 Hz |
| RPM | 1800 rpm |
| Engine Model | G3412 |
| Displacement | — |
| Aspiration | NA |
| Bore | — |
| Stroke | — |
| Length | — |
| Width | — |
| Height | — |
| Dry Weight - Genset | — |
Benefits & Features
Cat G3412 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
Emissions
- EPA Certified from the factoryfor use in Emergency applications
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
SR5 Generator
- Designed to match performance and output characteristics of Caterpillar gas engines
- Industry leading mechanical and electrical design
- High efficiency
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
Proven System
- Field proven in a wide range of applications worldwide
- Fully prototype tested
- Certified torsional vibration analysis available
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
Data not available.
Standard Equipment
- 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
- Package mounted radiator
- LH or RG connections when radiator is not selected
- Engine driven pumps for jacket water and separate circuit aftercooler
- Jacket water and SCAC thermostats
- Fuel
- Pipeline Natural Gas: 800-1000 BTU/scf and 70-100 Methane Number
- Gas Train: NFPA37 and CSA B149.3
- Exhaust
- Dry exhaust manifolds, insulated and shielded
- Fuel System
- Engine-installed electronic control valve
- Gas pressure regulator
- 24V DC energized-to-run (ETR) gas shutoff valve
- General
- Paint- Caterpillar Yellow with gloss black rails and radiators
- Operation and maintenance manuals
- RH Service
- Parts book
- Crankshaft vibration damper and guard
- Lubrication
- Cartridge style oil filter
- Gear type lube oil pump
- Generator
- Caterpillar's Digital Voltage Regulator (CDVR) including reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, and a min/max exciter
- Anti-condensation space heater
- Permanent Magnet Excitiation
- Winding temperature detectors
- Governing System
- ADEM A4
- Ignition System
- Electronic Ignition System (controlled by ADEM A4)
- Individual Cylinder Detonation Sensitive Timing (DST)
- Starting/Charging
- Electric Starter
- 24V DC starting motors
Optional Equipment
- Air Inlet
- Air cleaner with precleaner
- Circuit Breakers
- S LSI
- Frame mounting
- Right, left, rear mounted
- Control Panel
- Local alarm module
- Local PC monitoring
- Remote PC monitoring
- Remote annunciator
- Cooling
- Inlet/Outlet connections
- Coolant level drain line with valves, fan with guard
- Exhaust
- Flexible fittings
- 15, 25 dBA Attenuation
- General
- Digital diagnostic tool
- Tool set
- US AID emblem
- Generator
- Cable access box
- Bearing temperature detectors
- Starting/Charging
- Battery with cables and rack (shipped loose)
- 10A, 24VDC battery charger
- Jacket water heater
