3D Military Turbofan Afterburning Engines (Polygon mesh 3D model) is available on CGTrader for $299. Original author: 3D-Horse.
MAX (Autodesk 3ds Max, filesize: 976 MB), LWO (Lightwave, filesize: 236 MB), 3DS (3D Studio, filesize: 192 MB), HRC (Autodesk Softimage, filesize: 776 MB)