At a glance, it may seem unlikely that the 747 and 767 could share the same engine heritage. One is a four-engine long-haul ...
The 757 was offered with either the Pratt & Whitney PW2000 or the Rolls-Royce RB211. The 767, meanwhile, was offered with the General Electric CF6, the Pratt & Whitney PW4000 (early versions were also ...