The Trent 900 series turbofan engine is a three-stage high bypass ratio engine that is 179 inches long, and 116 inches in diameter. The dry weight for this engine is 13,830 lbs. The thrust to weight ratio is 4.93-to-5.63, depending on the engine variant.
The Trent 970 has 70,000 lbf (pound-force) of thrust and is used in the A380-841. A380-842 models use Trent 972 engines that produce 72,000 lbf of thrust. The Trent 977 engines used in A380-843F produce 77,000 lbf of thrust. Finally, Trent 980 engines used in A380-843F airplanes with higher thrust specifications, produce 80,000 lbf of thrust.
The EA GP7200 engine is the engine line produced for the A380. GP7270 and GP7277 are the two main variants used in the Airbus A380. These engines are two-spool high-bypass turbofans with a length of 187 inches, and a diameter of 116 inches. The dry weight of this engine is 14,800 lbs. The thrust to weight ratio is 4.73.
The GP7270, used for the 560 tonne (take-off weight) variant of the A380 produces 70,000 lbf of take-off thrust. GP7277 engines produces 77,000 lbf of take-off thrust and is used in the A380-800 cargo hauler model.
