Originally Posted by
tdracer
Yes, around 105k lbs. max thrust vs. around 115k for the GE90-115B. In spite of the larger aircraft, they think the improved fuel burn will mean carrying less fuel and a lower MTO than the -300ER for the same range. Hence less Max TO thrust required.
That is fascinating, and a true testament to progress. It's not about making it bigger, but making it better.