Generator Set Specifications
| Continuous Rating | 1200 ekW 1200 ekW |
| Fuel Type | Natural Gas Natural Gas |
| Maximum Electrical Efficiency | 42.30% 42.30% |
| Maximum Standby Rating | - - |
| Frequency | 50 Hz 50 Hz |
| Speed | 1500 rpm 1500 rpm |
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Up to 9% owning & operating cost savings
Higher electrical efficiency paired with extended maintenance intervals increases uptime and reduces costs
Up to 20% Lower lube oil consumption
Leading to lower service costs and extended maintenance intervals
Up to 20% Lower lube oil consumption
Leading to lower service costs and extended maintenance intervals
Gas Generator Sets G3512E
Request A Price Find DealerKey Specs
- Continuous Rating
- 1200 ekW
- 1200 ekW
- Fuel Type
- Natural Gas
- Natural Gas
- Maximum Electrical Efficiency
- 42.30%
- 42.30%
Overview
700 -1200kW Natural Gas Generator
From natural gas-fueled combined heat and power (CHP) systems and emergency power for facilities, to renewable biogas energy to support the local grid, or electricity generated from coal mine gases, Caterpillar has a wide range of reliable gas power solutions.
Benefits
Up to 9% owning & operating cost savings
Higher electrical efficiency paired with extended maintenance intervals increases uptime and reduces costs
Up to 20% Lower lube oil consumption
Leading to lower service costs and extended maintenance intervals
Up to 20% Lower lube oil consumption
Leading to lower service costs and extended maintenance intervals
Features At A Glance
Cat G3512E 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
SR4B Generator
- Designed to match performance and output characteristics of Caterpillar gas engines
- Industry leading mechanical and electrical design
- High efficiency
EMCP 4.3 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
Cat Electronic Control System
- Simple user friendly interface and navigation
- Digital monitoring, metering and protection setting
- Fully-featured power metering and protective relaying
- Remote control and monitor capability options
Emissions
- 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
Product Specifications for G3512E
Engine Specifications
| Bore | 6.7 in 170 mm |
| Aspiration | TA TA |
| Engine Model | G3512E G3512E |
| Stroke | 7.5 in 190 mm |
| Displacement | 3158 in³ 52 l |
Generator Set Dimensions
| Length | 181 in 4594 mm |
| Width | 65 in 1647 mm |
| Height | 89 in 2255 mm |
| Dry Weight - Genset | 27475 lb 12460 kg |
G3512E Standard Equipment
Air Inlet
- Two-element single-stage air cleaner with enclosure and service indicator
Control Panel
- EMCP 4.3
Cooling
- Jacket water and SCAC engine-driven pumps
- Jacket water and SCAC thermostats
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 System
- Engine-installed electronic control valve
- 24V DC energized-to-run (ETR) gas shutoff valve
- Gas pressure regulator
Fuel system
- Electronic fuel metering valve
- Throttle plate, 24V DC actuator, controlled by GECM
- 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
General
- Paint- Caterpillar Yellow except rails are gloss black
- Parts book
- Crankshaft vibration damper and guard
- Operation and maintenance manuals
- RH Service
Generator
- SR4B
- 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
- Anti-condensation space heater
- Winding temperature detectors
- NEMA Class H insulation
Governing System
- ADEM A4
Ignition System
- Electronic Ignition System (controlled by GECM)
- Individual Cylinder Detonation Sensitive Timing (DST)
Starting/Charging
- Electric Starter
G3512E Optional Equipment
Air Inlet
- Mounting brackets and piping
- Air cleaner with precleaner
Circuit Breakers
- Frame mounting
- Right, left, rear mounted
- 3-pole (IEC 947-2 rated)
- 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
- S LSI, G LSIG, P LSIG-P, 4th Digit Type
- 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
Cooling
- Remote radiator for JW and SCAC circuits, level switch included but not wired
- Coolant level drain line with valves, fan with guard
- Inlet/Outlet connections
Control Panel
- Local alarm module
- Remote annunciator
- Local PC monitoring
- Remote PC monitoring
- Engine failure relay
Exhaust
- 305 mm (12 in.) Flange
- 250mm-329mm Flange Expander
- Flexible fittings
Fuel System
- Remote mounted gas train, sized for 31.5 MJ/Nm3 (800 btu/cu ft) dry pipeline natural gas with inlet pressure range of 19.2 to 48.3 kPa (2.78 to 7 psi).
General
- US AID emblem
- Special paint order
- Tool set
- Digital diagnostic tool
Generator
- Cable access box
- Bearing temperature detectors
- Generator air filter
- European bus bars
Starting/Charging
- 24V starting motors
- Battery with cables and rack (shipped loose)
- Jacket water heater
- 45A, 24V charging alternator (requires engine driven pumps)
- 20A, 24VDC battery charger
assignment Product Brochures and More Are Ready to Download!
Caterpillar product brochures and other informational documents are available for your growing business.
See how G3512E compares against frequently compared products.
Electric Power
G3512E
Selected
- Continuous Rating
- 1200 ekW
- 1200 ekW
- Fuel Type
- Natural Gas
- Natural Gas
- Maximum Electrical Efficiency
- 42.30%
- 42.30%
Electric Power
G3512 with FAST RESPONSE
- Gas Standby Rating
- 1000 ekW @ 0.8pf
- 1000 ekW @ 0.8pf
- Fuel Type
- Natural Gas, Hydrogen Blend (up to 5%)
- Natural Gas, Hydrogen Blend (up to 5%)
- Emissions/Fuel Strategy
- U.S. EPA Certified for Non-Emergency Stationary Genset
- U.S. EPA Certified for Non-Emergency Stationary Genset
Electric Power
G3512H
- Continuous Rating
- 1515 ekW / 1505 ekW @1.0pf
- 1515 ekW / 1505 ekW @1.0pf
- Fuel Type
- Natural Gas, Hydrogen Blend (up to 25%)
- Natural Gas, Hydrogen Blend (up to 25%)
- Maximum Electrical Efficiency
- 44.90%
- 44.90%
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