Gas generator sets
G3516H
From natural gas to biogas, coal mine gases, or hydrogen fuel blends to support combined heat and power (CHP), emergency power, and local grid support applications, Caterpillar has a wide range of reliable gas power solutions.
Request a Quote
Have questions? Call 800.768.4200
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
Up to 25% hydrogen blended fuel option
Enables operation of up to 25% hydrogen blend (by volume) with pipeline natural gas fuel.
Up to 38% savings on service
Extended maintenance intervals leading to lower service costs
Up to 20% Lower lube oil consumption
Leading to lower service costs and extended maintenance intervals
| 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 | 4765 in³ |
| Aspiration | TA |
| Bore | 6.7 in |
| Stroke | 8.5 in |
| Compression Ratio | 12.1 |
| Fuel System | Natural Gas |
| Length | 291 in |
|---|---|
| Width | 84 in |
| Height | 95 in |
| Dry Weight - Genset | 40384 lb |
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
Need installed dimensions with enclosure and tank? See Model Configurations
