Overview
G3516H Generator Set
Specifications
Units:
| Continuous Rating | 2027 / 2007 ekW @ 1.0pf |
| Fuel Type | Natural Gas, Hydrogen Blend (up to 25%) |
| Maximum Electrical Efficiency | 45.30% |
Benefits & Features
Cat G3516H 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 mixtures
- 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
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
February 5, 2026
Specifications
Units:
| Continuous Rating | 2027 / 2007 ekW @ 1.0pf |
| Fuel Type | Natural Gas, Hydrogen Blend (up to 25%) |
| Maximum Electrical Efficiency | 45.30% |
| Frequency | 50 / 60 Hz |
| RPM | 1500 rpm |
| Engine Model | G3516H |
| Displacement | — |
| Aspiration | TA |
| Bore | — |
| Stroke | — |
| Compression Ratio | 12.1 |
| Fuel System | Natural Gas |
| Length | — |
| Width | — |
| Height | — |
| Dry Weight - Genset | — |
Benefits & Features
Cat G3516H 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 mixtures
- 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
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
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
Data not available.
Standard Equipment
- Control Panels
- EMCP4.3
- Air Inlet
- Package Mounted Air Cleaner with service indicator
- Two-element single-stage air cleaner with enclosure and service indicator
- Cooling
- Jacket water and SCAC driven thermostats
- ANSI Class 150/DN custom flange connections for JW inlet and outlet
- Engine driven water pumps for jacket water and after cooler
- 2nd stage SCAC-Cat Flange
- Exhaust
- Center section cooled turbocharger with Cat flanged outlet
- 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
- Throttle plate, 24V DC actuator, controlled by GECM
- Electronic fuel metering valve
- 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
- Ignition System
- Electronic Ignition System (controlled by ADEM A4)
- Individual Cylinder Detonation Sensitive Timing (DST)
- Generator
- Permanent Magnet Excitiation
- Anti-condensation space heater
- Winding temperature detectors
- SR5
- Reactive Droop
- Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
- General
- Crankshaft vibration damper and guard
- Paint - Caterpillar Yellow except rails and radiators gloss black
- RH Service
- Parts book
- Operation and maintenance manuals
- Governing System
- ADEM A4 4-20mA (0-5V) Speed Input
- Starting/Charging
- 24V starting motors
Optional Equipment
- Air Inlet
- Mounting brackets and piping
- Air cleaner with precleaner
- Heavy Duty air cleaner with precleaner
- Circuit Breakers
- No UV trip or package mounted CB Wiring
- Frame Mounting
- MP-Frame 3 Pole Bottom Cable Entry or MP- Frame 6 Pole Bottom Cable Entry
- 4000A, 3-Pole IEC Rated
- 2500/3000/3200A or 4000/5000A Neutral Current Transformer Automatic Selection
- Lower & Upper Covers, Extension Box Roof Cover
- Busbar Mounting
- 4000A, 3-Pole UL Rated
- Control Panels
- Remote monitoring software
- Discrete I/O Module, 12 Digital Inputs, 8 'Form C' Relay
- Remote RS485, 32-light Annunciator
- Cat Connect: Ehternet, Satellite, Cell Telematics
- Cross-Current Compensation Current Transformer-- 8.7/15 kV Classes
- RTD Module
- Local/Remote PC Monitorring
- 16 Point/32 Light Annunciator with NFPA99-110/CSA282 Configuration
- Remote Monitoring & Control
- Synchronizing module
- Local alarm module
- Cooling
- Jacket water coolant heater
- Inlet/Outlet connections
- Exhaust
- Flange
- Muffler and spark-arresting muffler with ANSI companion flanges
- Elbow
- Generator
- Manual voltage control
- Generator air filter
- Low voltage extension box
- Medium and high voltage generators and attachment
- Cable access box
- Bearing temperature detectors
- Starting/Charging
- 24V Battery Charger
- 60A, 24V charging alternator (requires engine driven pumps)
- General
- US AID emblem
- Special paint order
- Battery diconnect switch
- Digital diagnostic tool
- Tool set
- Battery with cables and rack (shipped loose)
- Grid Code Compliance
- 60 Hz: USA
- 50 Hz: Germany, Great Britain, Belgium, Romania, Italy, Ireland, Poland, Netherlands, Spain, France, and European Standard