G3516C Gas Generator Set
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.
Product Images
Product Videos
Virtual Product Tour (VPT)
360° Exterior View (HTML)
G3516C Virtual Product Tour
Specifications
| Name | Type | Value | Unit Value (Imperial) | Unit Name | Unit Value (Metric) | Unit Name (Metric) |
|---|---|---|---|---|---|---|
| Continuous Rating | text | 1555 ekW | ||||
| Fuel Type | text | CMM | ||||
| Maximum Electrical Efficiency | text | 37.70% |
Documents & Spec Sheets
Features & Benefits
Cat G3516C 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
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
Complete Specifications
Generator Set Specifications
| Name | Type | Value | Unit Value (Imperial) | Unit Name | Unit Value (Metric) | Unit Name (Metric) |
|---|---|---|---|---|---|---|
| Continuous Rating | text | 1555 ekW | ||||
| Fuel Type | text | CMM | ||||
| Maximum Electrical Efficiency | text | 37.70% | ||||
| Maximum Standby Rating | text | 1500 | ||||
| Frequency | text | 50 / 60 Hz | ||||
| RPM | text | 1500/1800 | ||||
| Engine Model | text | G3516C | ||||
| Displacement | measurement | 4210 | in³ | 69 | l | |
| Aspiration | text | TA | ||||
| Bore | measurement | 6.7 | in | 170 | mm | |
| Stroke | measurement | 7.5 | in | 190 | mm | |
| Length | measurement | 219 | in | 5553 | mm | |
| Width | measurement | 72 | in | 1828 | mm | |
| Height | measurement | 92 | in | 2340 | mm | |
| Dry Weight - Genset | measurement | 31226 | lb | 14161 | kg |
Standard Equipment
Air Inlet
- Two-element single-stage air cleaner with enclosure and service indicator
Control Panels
- EMCP 4.3
Cooling
- Jacket water and SCAC driven pumps and bypass lines
- 2nd Stage SCAC-Cat Flange
- Engine driven water pumps for jacket water and aftercooler
- Jacket water and SCAC thermostats
- ANSI/DN customer flange connections for JW inlet and outlet
- Cat flanges on SCAC circuit
Exhaust
- Integrated Sensing Module (ISM)
- Cat-flanged face outlet on turbocharger
- Provides exhaust port temperatures and stack temperature to customer supplied screen via CCM
- Dry exhaust manifolds, insulated and shielded
Ignition System
- Individual Cylinder Detonation Sensitive Timing (DST)
- Electronic Ignition System (controlled by ECM)
Fuel system
- 24V ETR Gas Shutoff Valve
- Engine installed, fuel metering valve
- Throttle plate, 24V DC actuator, controlled by ECM
- 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
- Fuel Filter
- Electronic fuel metering valve
Generator
- Anti-condensation space heater
- Busbar connections
- Class H Insulation & Class F temperature rise
- Reactive Droop
- Permanent Magnet Excitation
- 3-phase brushless, salient pole
- Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
- SR4B
- Winding temperature detectors
General
- RH Service
- Operation and maintenance manuals
- Crankshaft Vibration Damper and Guard
- Parts Book
Starting/Charging
- 24V starting motors
Optional Equipment
Air Inlet
- Vertical, horizontal dual element air cleaner
- Enclosure mounting brackets and piping
- Air cleaner with precleaner
Control Panel
- Remote 24V 8/16 Light Annunciator
- Engine Failure Relay
- PL1000E/PL1000T Communications Module
- Custom 8-Light Alarm Module
- Local NFPA99-110 Alarm Module w/LEDs
- Synchronizing Module
Cooling
- Inlet/Outlet connections
- Jacket water coolant heater
- Aftercooler air lines, aftercooler core replacement
Exhaust
- Flexible Fittings
- 14" Flange Kit
- 406 mm Elbow Kits
- 406 mm flange kits
- Mufflers (15/18/25 dBA Attenuation) and spark-arresting muffler with ANSI companion flanges
- 16" Spark Arresting Muffler
- 356-406mm Flange and Exhaust Expander
- 15/18/25 dBA Muffler Attenuation
Fuel System
- 207-276kPa, 30-40 psi gas knockdown regulator
- 14-69 kPa (2-10 psi) gas pressure regulator
- 24VDC Gas Shutoff Valve, Gas Knockdown Regulator
- Fuel Filter, Gas Filter
Generator
- Cable access box
- 8.7/15 kV Cross, Differential, Current Transformers (CCCT, DCT, CT)
- Medium and high voltage generators and attachment
- 480/4160/13200 Volt Generator Options (60 Hz)
- Generator air filter
- Bearing temperature detectors
- European Bus Bars
- 415/400/380, 3300/6600/11000 Volt Generator Options (50 Hz)
- Annunciator Modules
- Generator Removal
- Low voltage extension box
Governing System
- Load share module
General
- Special paint order
- Tool set
- US AID Emblem
- Barring group
- Digital diagnostic tool
Starting/Charging
- 60A, 24V charging alternator (requires engine driven pumps)
- Battery removal
- 20A battery charger
- Battery disconnect switch
- Battery with cables and rack (shipped loose)