Rolls-Royce Trent 800 three-shaft civil turbofan family and the engine of choice for the Boeing 777 Classic. It entered service in April 1996 and is offered across approximately 75,000–95,000 pounds of take-off thrust on a common engine standard; Rolls-Royce reports more than 29 million flying hours and 5 million cycles, with an available Trent 800 EP efficiency package. Exact ratings and installations are modeled separately.