What is the name of the jet engines that are primarily used on the Airbus A350?
Rolls-Royce Trent XWB The Rolls-Royce Trent XWB is a British series of turbofan jet engines developed from the Rolls-Royce Trent 1000. It is presently used only on the Airbus A350 XWB.
Rolls-Royce Spey The Rolls-Royce Spey (company designations RB.163 and RB.168 and RB.183) is a low-bypass turbofan engine originally designed and manufactured by Rolls-Royce that has been in widespread service for over 40 years. A co-development version of the Spey between Rolls-Royce and Allison in the 1960s is the Allison TF41.