In 1998, the −600 stretch was stabilised at 20 frames for , the MTOW rose to and the unit thrust to , keeping the Trent 700 fan diameter with its scaled and compressors and the high-speed, low-loading HP and IP turbines of the Trent 800.
In 1998, the −600 stretch was stabilised at 20 frames for  the MTOW rose to and the unit thrust to , keeping the Trent 700 fan diameter with its scaled and compressors and the high-speed, low-loading HP and IP turbines of the Trent 800.