Rolls-Royce has delivered its 1,000th Trent XWB–84 engine from its Derby production line.
The global engineering giant said the engine will be used to power an Airbus A350-900 aircraft.
Rolls-Royce said the XWB-84 is the world’s most efficient aero engine in service, and is the latest in the Trent family to reach the production milestone – doing so faster than any of its predecessors.
A spokesman said: “Following its entry into service in 2015, the Trent XWB-84, quickly became the fastest selling large engine of all time.
“It has now achieved more than eight million engine flying hours in service with more than 30 operators, demonstrating its versatility and capability by flying a range of different routes, from short-range segments to ultra-long-range flights of more than 18 hours.
“Enabling our airline customers to build more efficient fleets, the Trent XWB-84 has a 15 per cent fuel consumption advantage over the first Trent engine, goes further on less fuel, and offers leading performance and noise levels.”
The engine will also be able to run on sustainable aviation fuels – produced from sources such as cooking oil, plant oils, municipal waste, waste gases, and agricultural residues – as they become more available to airlines in the future.
While aviation remains a key contributor of greenhouse gases, Rolls-Royce said the XWB-84 has saved more than 10 million tonnes of CO2 since it launched in 2015.
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Chris Cholerton, president of Rolls-Royce Civil Aerospace, said: “Reaching this milestone is another great achievement for the Trent XWB-84, which is the most efficient aero engine in service.
“It is important to our customers to build ever more efficient fleets, and new-generation engines, like the Trent XWB-84 allow them to achieve this.
“We would like to thank everyone, including our customers, employees, partners and suppliers who have helped create the engine programme’s success.”
Sebastian Resch, director of operations for Civil Aerospace, Rolls-Royce, said: “We take great pride in our state-of-the-art assembly line in Derby – where our highly-skilled colleagues have accumulated more than 7,500 years of assembly experience.
“To assemble 1000 Trent XWB-84s has required more than 25 million parts brought together and more than 6,000 assembly steps per engine.”