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Gas generators G3512
Request a QuoteKey Information
Nominal standby power of gas
750 ekW to 1000 ekW @ 0.8 pf
Fuel type
Natural gas, hydrogen blend (up to 5%)
Displacement
52 l
Overview
Natural Gas Generator Set
Caterpillar plays a significant role in advancing the power generation industry with fast-response generator sets designed to deliver unparalleled performance, reliability, and cost-effectiveness.
Advantages
UL2200 Compliance
Cutting-edge EPA certification for non-emergency use, UL2200, UL1446, and more.
Ready in 7 Seconds
Meets industry-leading specifications such as NFPA110 Level1 type10 standard.
Ready for 100% Load Acceptance
Capability to recover loads across the entire site in case of emergencies.
Key Features
- Gas Engine G3512 Cat
- Sr5 Alternator
- Ecs 100 Cat Control Panel
- Cooling System
- Emissions
- Proven System
- Complete Range of Equipment
Gas Engine G3512 Cat
Its rugged high-speed design extends its lifespan and reduces operating costs Designed for maximum performance on low-pressure gas pipelines and hydrogen blends Simple open-chamber combustion system for increased reliability and fuel choice Advanced ignition system and air/fuel injection limiter technology to reduce emissions and increase engine efficiency An electronic control module manages all engine functions: ignition, regulation, air/fuel injection limiter, and engine protection
Sr5 Alternator
Perfectly suited to the performance and power characteristics of Caterpillar gas engines Unmatched mechanical and electrical design High efficiency
Ecs 100 Cat Control Panel
User-friendly interface and navigation Scalable system to meet a wide range of installation constraints Site-specific extension modules and programming to meet customer-specific needs
Cooling System
Designed to operate at standard ambient temperatures up to 43°C (110°F) Contact your Cat dealer for information on ambient temperature and altitude-specific features
Emissions
EPA certified for emergency and non-emergency applications Additionally, a NOx reduction genset is available to comply with most global emission standards up to 0.5g/BHP/h of NOx without aftertreatment
Proven System
Field-proven in a wide range of applications worldwide Fully tested prototype Available torsional vibration analysis certification
Complete Range of Equipment
Extensive range of bolt-on system extensions Designed and factory-tested Flexible packaging options for easy and cost-effective installation
Contact Our Experts
Morocco
International
Monday to Friday 8am-5:30pm (UTC)
Product Specifications for G3512
- GENERATOR SET SPECIFICATIONS
- Emergency Standby Power Rating750ekW to 1000ekW @ 0.8pf
- Fuel TypeNatural Gas, Hydrogen Blend (up to 5%)
- Emissions/Fuel StrategyU.S. EPA Certification for Stationary Emergency Generator Set
- Speed1800 RPM
- Frequency60 Hz
- ENGINE SPECIFICATIONS
- Engine ModelG3512
- Displacement52 liters
- AspirationTA (Turbocharged Aftercooled)
- Bore170 mm
- Stroke190 mm
- Governor TypeADEM A4
- GENERATOR SET DIMENSIONS
- Length5224 mm
- Width2286 mm
- Height2525 mm
- Weight12500 kg
Standard Equipment for G3512
-
AIR INTAKE
- Two air filters, 1 per side, with clogging indicator
- Single-stage air filter with two elements, housing, and maintenance indicator
-
CONTROL PANEL
- ECS 100 Cat
-
COOLING
- Engine-driven pumps for jacket water and separate circuit charge air cooler
- Jacket water and engine-driven SCAC pumps
- SCAC and jacket water thermostats
- GA or RG connections when radiator is not selected
- Radiator assembly
-
FUEL SYSTEM
- Nitrogen Oxide (NOx) sensor-based air-fuel ratio control
- Engine fuel inlet pressure: 0.5 to 5 psi
- Natural gas from pipeline: 800-1000 BTU/scf and methane index 70-100
- Gas line: NFPA37 and CSA B149.3
-
EXHAUST
- Individual exhaust port and turbocharger outlet wired to Integrated Temperature Sensing Module (ITSM) with GCEM for alarms and shutdowns
- Dry, insulated, and shielded exhaust manifolds
- Cat flanged outlet on turbocharger
-
FUEL SYSTEM
- Fuel system sized for dry pipeline natural gas, 31.5 to 47.2MJ/NM3, 10.2kPa to 34.5kPa at engine fuel control valve
- 24VDC actuator-operated throttle, controlled by GECM
- Electronic fuel control valve mounted on engine
- Fuel pressure regulator
- 24 VDC ETR (Energize to Run) gas shutoff valve
-
GENERAL
- Crankshaft vibration protection and damper
- Operation and maintenance guide
- Parts catalog
- Paint: Caterpillar yellow, except gloss black skids and radiators
- Right-hand service
-
LUBRICATION
- Gear-type lubrication pump
- Cartridge-type oil filter
-
ALTERNATOR
- Anti-condensation heating resistor
- Winding temperature detectors
- NEMA Class H insulation
- SR5
- Permanent magnet excitation
- Caterpillar digital voltage regulator (CDVR) with reactive droop, three-phase voltage sensing, KVAR/PF modes, RFI suppression, min/max excitation
-
GOVERNOR SYSTEM
- ADEM A4
-
IGNITION SYSTEM
- Detonation Sensitive Timing (DST) for each cylinder
- Electronic ignition system (controlled by ADEM A4)
-
GOVERNOR
- ADEM A4 speed governor with 4-20mA (0-5V) speed input
-
STARTING/CHARGING
- 24VDC starting motors
- Battery with rack and cables
- Electric starter
Available Options for G3512
-
AIR INTAKE
- Mounting brackets and pipes
- Air filter with pre-filter
-
CIRCUIT BREAKERS
- S LSI, G LSIG, P LSIG-P, 4th digit: type
- Mounted at the rear left and right
- 1200A circuit breakers, 3 poles, 100% UL rated, P frame
- 1600A, 2000A circuit breakers, 3 poles, 100% UL rated, R frame
- 2000A circuit breakers, 3 poles, 100% UL rated, Masterpact
- 100% rated, 3 poles (UL/CSA/IEC), 5th digit: class
- 3 Poles (IEC 947-2 rated capacity)
- Chassis mounting
-
CONTROL PANEL
- Remote monitoring enclosure
- Local alarm module
- Local PC monitoring
- Engine fault relay
- Remote PC monitoring
-
COOLING
- Coolant level drain piping with valves, fan equipped with guard
- Remote radiator for JW and SCAC circuits, level contactor included but not wired
- Inlet/outlet connections
-
EXHAUST
- Elbow 305 mm
- Attenuation 18, 25 dBA
- Flexible connectors
- 305 mm (12 in) silencer
- 305 mm (12 in) spark arrestor silencer
- 305 mm (12 in) flange
-
FUEL SYSTEM
- Gas group pressure sensors 3, 0-100 kpag, 4-20 mA
-
GENERAL
- Special paint finish
- US AID emblem
- Tool kit
- Digital diagnostic tool
-
ALTERNATOR
- Cable access box
- Alternator air filter
- European busbars
- Low-voltage (LV) output enclosure
- Bearing temperature detectors
-
STARTING/CHARGING
- 20 A, 24 V DC battery charger
- Battery with cables and rack
- Jacket water heater
- 45 A, 24 V charging alternator (requires engine-driven pumps)
Available Models
- G3512A
- Nominal Gas Standby Power750 ekW @ 0.8 pf
- Fuel TypeNatural Gas, Hydrogen Blend (up to 5%)
- G3512B
- Nominal Gas Standby Power1000 ekW @ 0.8 pf
- Fuel TypeNatural Gas
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