LM2500+G4
Engine
Photo courtesy of FINCANTIERI S.p.A. – All rights reserved
The latest innovations
with proven operating experience
The LM2500+G4 engine is the fourth generation of the industry-leading LM2500. It has all the same high reliability, availability, and efficiency (lower SFC) but with more power (a 41% increase) than the base LM2500.
It is the most powerful and efficient member of the LM2500 family.
It is the most powerful and efficient member of the LM2500 family.
The LM2500+G4 enhances the LM2500+ by increasing flow capacity and incorporating advanced materials from recent aircraft technology. These advancements enable higher operating temperatures, resulting in increased user cost efficiency.
The LM2500+G4 system's modular design provides for easy and timely repair and refurbishment, with features like:
The LM2500+G4 system's modular design provides for easy and timely repair and refurbishment, with features like:
- A split compressor casing
- In-place blade and vane replacement
- In-place hot section maintenance
- External fuel nozzles
The LM2500+G4 gas turbine provides 47,370-shp, and is the most powerful and efficient member of the LM2500 family.
It is ideal for frigates and other military ships. It is also available as a generator set
It is ideal for frigates and other military ships. It is also available as a generator set
Technical
Output
47,370 shp (35,320 kW)
SFC
.352 lb/shp-hr (214 g/kW-hr)
Heat rate
6,469 Btu/shp-hr
8,675 Btu/kWs-hr
9,150 kJ/kWs-hr
8,675 Btu/kWs-hr
9,150 kJ/kWs-hr
Exhaust gas flow
205 lb/sec (93 kg/sec)
Exhaust gas temperature
1,020°F (549°C)
Power turbine speed
3600 rpm
Average performance, 60 Hertz, 59°F, sea level, 60% relative humidity, no inlet/exhaust losses.
Resources
Download Data Sheet
FREMM-GE Case History
PPA-GE Case History
Experience List
GE Marine Gas Turbines for Frigates
Split Case Design for Gas Turbine Repair