Takeoff thrust
69,800 / 74,100 / 76,100 / 66,500
Bypass ratio (takeoff / top-of-climb)
9.0 / 8.3 ; 8.8 / 8.1 ; 8.8/ 7.9 ; 8.0/7.4
Overall pressure ratio (takeoff / top-of-climb)
43.8 / 53.3 ; 46.3 / 55.4 ; 47.4 / 58.1 ; 44.7 / 52.4
Air Mass Flow (takeoff, lbs-mass/sec)
2559 ; 2624 ; 2658 ; 2297