Shenyang WS-20

WS-20
Type High-bypass turbofan
National origin People's Republic of China
Manufacturer Shenyang Liming Aircraft Engine Company
Designer Shenyang Aeroengine Research Institute
Major applications Xi'an Y-20
Status Initial production
Developed from Shenyang WS-10

The Shenyang WS-20 (Chinese: 涡扇-20; pinyin: Wōshàn-20; lit. 'turbofan-20') is a high-bypass turbofan aircraft engine designed by the Shenyang Aeroengine Research Institute for the PLAAF's Y-20 family of strategic airlifters, it is currently installed in limited numbers. It is based on the core of the low-bypass turbofan Shenyang WS-10A. The thrust range is 138 kilonewtons (31,000 lbf).

Testing with the Ilyushin Il-76 began by 2013. Development continued in 2021. Images of Y-20 equipped with WS-20s emerged in 2022. The Y-20 and the WS-20 may have entered PLAAF service by March 2023. Photos showed Y-20 with the PLAAF roundels and colours at Kaifeng Air Base.