The US military chose the 767 for it tanker model going against the A330 so there was something in the sauce Boeing provided the US Military tanker program that goes beyond the A330 than just money and convenience the A330 couldn't offer.
The 767 is a good airframe. Now it is considering rengining the 767 with GenX type engines leaving PW behind to sort out what happens next. The PW engine is listed Two Pratt & Whitney PW 4062 with 62,000 lbs. However, GE has been developing its own class of engine for the 777X and 747 8 projects thus pumping billions into R&D into its behemoths for sometime far outpacing PW expenditures on similar class jet engine like the PW4062.
Now come the 797 proposition from scratch white paper. It's too expensive and late to compete with the A321 class of extended range gap filler. Boeing sees something out of the Airbus playbook that has quickly made it more powerful than Boeing's marketing effort. The NEO is working in the market as we speak. Boeing may divert using the 767 frame and attaching GE engine technology to its frame. It would use the 767-400 configuration and perhaps call it the 767-8i and 8F. It would be bigger than the 797 and fly further but could fit into continental market places well when flying to LA to NY as an example. Boeing needs to make it efficient for 1,000 - 5000 mile range and it will compete with the A330 and buy time for the 797 concept to evolve monetarily.
What must Boeing do:
- Improve 767 build technology. Done that! 767, (KC-46 program)
- New GEX engine. Done that! (GE can provide a scalable engine from its GEX program
- Have a short development cycle for minimal costs. Set up for that!
- New 767 wings. Done That! (It has a new wing plant in Everett, Washington awaiting more work in its space and a 767 wing could be slotted in in a short amount of time. It already has wing designs ready to go based from its 787 and 777X programs.)
- Passenger amenities. Done that! (from all its family of programs and supporting suppliers eager for expanded business.)
- Commonality. You complete me theme from its family of aircraft.
- Customers. A Works in progress! It is the tipping point for making this business case. Does Boeing have a strong and risk-averse business case for its customers? Can Boeing make 1,000 orders from the NEO 767 idea? That all remains to be seen.
Job one. (Win customer trust back and kill the Boeing Golden Parachute mentality.)