Overview
Caterpillar is leading the power generation marketplace with Fast Response generator sets engineered to deliver unmatched performance, reliability, and cost-effectiveness.
Specifications
Units:
| Gas Standby Rating | 1500 ekW @ 0.8pf |
| Fuel Type | Natural Gas, Hydrogen Blend (up to 5%) |
| Emissions/Fuel Strategy | U.S. EPA Stationary Non-Emergency Certified |
Benefits & Features
October 21, 2025
Specifications
Units:
| Gas Standby Rating | 1500 ekW @ 0.8pf |
| Fuel Type | Natural Gas, Hydrogen Blend (up to 5%) |
| Emissions/Fuel Strategy | U.S. EPA Stationary Non-Emergency Certified |
| RPM | 1800 rpm |
| Frequency | 60 Hz |
| Compression Ratio | 11.5 |
| Engine Model | G3516 |
| Displacement | — |
| Aspiration | TA |
| Bore | — |
| Stroke | — |
| Length | — |
| Width | — |
| Height | — |
| Weight | — |
Benefits & Features
CAT G3516 Gas Engine
Cat G3516 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 blends
- 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
SR5 Generator
- Designed to match performance and output characteristics of Caterpillar gas engines
- Industry leading mechanical and electrical design
- High efficiency
Cat ECS 100 Control Panel
Cat ECS 100 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
Cooling System
- Designed to operate in standard ambient temperatures up to 43°C (110°F)
- Contact your Cat Dealer for specific ambient and altitude capabilities
Emissions
Emissions
- EPA Certified for use in Emergency and Non-Emergency applications
- Additional a NOx selectable genset is available to meets most worldwide emissions requirements down to 0.5 g/bhp-hr NOx level without aftertreatment
Proven System
Proven System
- Field proven in a wide range of applications worldwide
- Fully prototype tested
- Certified torsional vibration analysis available
Full Range of Attachments
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
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
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Standard Equipment
- Air Inlet
- Two-element single-stage air cleaner with enclosure and service indicator
- Control Panel
- Cat ECS 100
- 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
- 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
- Throttle plate, 24V DC actuator, controlled by GECM
- Gas pressure regulator
- 24V DC energized-to-run (ETR) gas shutoff valve
- Engine-installed electronic control valve
- General
- Crankshaft vibration damper and guard
- Paint- Caterpillar Yellow with high gloss black rails and radiator
- RH Service
- Operation and maintenance manuals
- Parts book
- Generator
- Permanent Magnet Excitiation
- Anti-condensation space heater
- Winding temperature detectors
- NEMA Class H insulation
- Integrated voltage regulator (IVR)
- SR5
- Starting/Charging
- Electric Starter
- 24V starting motors
- Jacket water heater
- Battery with cables and rack (shipped loose)
- Governing System
- ADEM A4
- Ignition System
- Individual Cylinder Detonation Sensitive Timing (DST)
- Electronic Ignition System (controlled by ADEM A4)
Optional Equipment
- Air Inlet
- Air cleaner with precleaner
- Control Panel
- Remote annunciator
- Local alarm module
- Remote PC monitoring
- Engine failure relay
- Local PC monitoring
- EMCP 4.4
- Circuit Breakers
- S LSI, G LSIG, P LSIG-P, 4th Digit Type
- 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
- 3-pole (IEC 947-2 rated)
- 2000A, 2500A, 3000A 3 Pole, UL-100% Rated Masterpact Circuit Breakers
- 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
- Frame mounting
- Cooling
- Coolant level drain line with valves, fan with guard
- Package mounted radiator
- Exhaust
- 305 mm (12 in.) muffler
- 305 mm (12 in.) flange
- 305mm (12 in) spark arresting muffler
- 305 mm (12in.) elbow
- 18, 25 dBA Attenuation
- Fuel System
- 3, 0-100 kPag, 4-20mA gas train pressure sensors
- General
- Digital diagnostic tool
- Generator
- European bus bars
- Bearing temperature detectors
- Low voltage extension box
- Generator air filter
- Cable access box
- Starting/Charging
- 45A, 24V charging alternator (requires engine driven pumps)
- 20A, 24VDC battery charger
- Grid Code Compliance
- 60 Hz: USA
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