February 16, 2026
Specifications
Units:
| Continuous Rating | 1603 ekW |
| Fuel Type | Natural Gas |
| Maximum Electrical Efficiency | 41.70% |
| Maximum Standby Rating | 1603 |
| Frequency | 50 Hz |
| RPM | 1500 rpm |
| Engine Model | G3516E |
| Displacement | — |
| Aspiration | TA |
| Bore | — |
| Stroke | — |
| Length | — |
| Width | — |
| Height | — |
| Dry Weight - Genset | — |
Benefits & Features
Emissions
Emissions
- Meets most worldwide emissions requirements down to 0.5 g/bhp-hr NOx level without aftertreatment
One Safe Source
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
World Wide Product Support
World Wide 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
SR4B Alternator
SR4B Generator
- Designed to match performance and output characteristics of Caterpillar gas engines
- Industry leading mechanical and electrical design
- High efficiency
EMCP II+ Control System
EMCP II+ Control System
- 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
Data not available.
Standard Equipment
- Air Inlet
- Two-element single-stage air cleaner with enclosure and service indicator
- Control Panels
- EMCP 4.3
- Cooling
- Engine driven water pumps for jacket water and after cooler
- Jacket water and SCAC thermostats
- ANSI/DN customer flange connections for JW inlet and outlet
- Cat flanges on SCAC circuit
- Exhaust
- Dry exhaust manifolds, insulated and shielded
- Center section cooled turbocharger with Cat flanged outlet
- Individual exhaust port and turbocharger outlet wired to Integrated Temperature Sensing Module (ITSM) with GECM providing alarms and shutdowns
- Fuel system
- Electronic fuel metering valve
- Fuel system is sized for 31.5 to 47.2 MJ/NM3 dry pipeline natural gas with pressure of 4.5 to 34.5KPa to the engine fuel control valve
- Throttle plate, 24V DC actuator, controlled by GECM
- Generator
- Anti-condensation space heater
- Starting/Charging
- Battery with cables and rack(shipped loose)
- Battery disconnect switch
- 60A, 24V charging alternator (standard on 60Hz 1800 rpm only)
- General
- Paint - Caterpillar Yellow except rails and radiators gloss black
- Crankshaft vibration damper and guard
- Operation and maintenance manuals
- Parts book
Optional Equipment
- Air Inlet
- Mounting stand
- Air cleaner with precleaner
- Control Panels
- Local alarm module
- Remote annuciator
- Remote Communications Module (PL1000T, PL1000E)
- Cooling
- Coolant level drain line with valves, fan with guard
- Inlet/Outlet connections
- Exhaust
- Flange
- Exhaust expander
- Fuel System
- Fuel filter
- Gas pressure regulator
- Generator
- Medium and high voltage generators and attachment
- Low voltage extension box
- Cable access box
- General
- Crankcase explosion relief valve
- Engine barring group