SGT-A65 TR / MT30 Marine Engine

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About the SGT-A65 / MT30:

The Siemens SGT-A65 (formerly Industrial Trent 60) is a 50-55 MW three-shaft, axial flow, aeroderivative industrial 50/60 Hz gas turbine based on the Rolls-Royce Trent 800 high-bypass turbofan aircraft engine developed for the Boeing 777. The Rolls-Royce MT30 is a 36-40 MW marine gas turbine engine. The MT30 is used on U.S. Navy DDG 1000 Zumwalt Class destroyers and Freedom Class Littoral Combat Ships (LCS).


Utility and industrial power generation in 50/60-Hz markets, including combined-cycle and cogeneration installations. SGT-A65 TR machines have officially been used in mechanical load drive duty (gas boost duty) since 2006. Marine applications (Rolls-Royce MT30) include military surface vessels and large commercial cargo vessels.


The MT30 and Industrial Trent (now SGT-A65 TR) was privately developed by Rolls-Royce, and development was sponsored in part by the government of Canada and the province of Quebec. Further SGT-A65 TR development is funded by Siemens.


In production.

Total Produced:

At least 124 SGT-A65 TR machines have been manufactured and installed. At the beginning of 2019, 21 MT30 marine gas turbines had been manufactured.


In the electrical genset arena, the SGT-A65 TR faces competition from the LM6000 and LM9000. In the mechanical drive arena, the SGT-A65 TR competes with the GE LM6000PC Sprint. The primary competition facing the MT30 is the GE LM2500+ and the Zorya-Mashproekt UGT-25000.


A healthy SGT-A65 TR order book is a certainty, especially for power generation and mechanical drive applications. Sales of Type 26 frigates make the MT30 a serious market contender. The Canadian frigate program will probably retain MT30 and the Japanese frigate program adds extra sales. Brexit may limit the MT30's access to the European market.

Sources Used: Forecast International, Rolls-Royce, and Siemens AG.

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Engine Type:

Three-shaft, axial flow, aeroderivative
industrial and marine 50/60 Hz gas turbine

Power Rating:

From 50 to 55 MW (simple cycle SGT-A65)
From 36-40 MW (marine MT30)


In Production


Siemens AG / Rolls-Royce plc

Price/Unit Cost:

SGT-A65 TR: $19-23 million
MT30: $14-22 million

Siemens Industrial Trent 60 gas turbine

By Forecast International /// Contact Forecast International

Engine Program
Gas Turbine Systems
Industrial and Marine Gas & Steam Turbine Forecast
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