Answer Posted / mob

Gas turbines of GE make are denoted by Frame i.e. Frame -
V, Frame - VI, Frame - IX etc.

Frame - 9E gas turbine means serial no. 9001 , 9171 E etc

For 9171 E - 9 means the frame number, 17 means 170000 HP,
1 means single shaft and E is the latest modification

9FA is a high end frame 9 machine i.e. has higher rating
than 9E

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