The PW4000 112-inch engine, an ultra-high-thrust model covering the 74,000 to 90,000 pound-thrust class, is the reliability, experience and Extended-range Twin-engine Operations (ETOPS) leader for the 777 aircraft, providing the best customer value.

The engine’s advanced, service-proven technologies including single-crystal super alloy materials, powdered metal disks, and Full-Authority Digital Electronic Control (FADEC), provide excellent operational performance and durability. These features contribute to the engine's excellent environmental performance, which meets with margin all current noise and emissions regulations.

The PW4000 112-inch engine retains the outstanding accessibility and component modularity of other PW4000 family members to reduce maintenance time and cost. For transportability, the engine can be shipped in a 747F aircraft as a complete engine. Also, the fan case is easily separated from the engine's core for split shipment without disturbing the bearing compartments.

- See more at: http://www.pratt-whitney.com/PW4000112_Engine#sthash.HoYBKZee.dpuf