Originally Posted by
astray
Not a UAL guy but what's A/B/C in this context, 772, 772er, 773?
777A is a 777-200 non ER Pratt and Whitney 77K motors (Legacy UA) (aprox 545,000 MTOW)
777B is a 777-200 ER - Pratt and Whitney 90K motors (Legacy UA) (approx 656,000 MTOW)
777C is a 777-200 ER GE 90K motors (Legacy CAL) (approx 656,000 MTOW)
The 777-300 ERs are all GE 115K motors (approx 775,000 MTOW)