777-200ER - Two 374kN (84,000lb) PW4084s, or 378kN (85,000lb) GE90-85Bs, or 373kN (84,000lb) Trent 884s; or 400kN (90,000lb) class PW4090s, GE90-90B1s, or Trent 890s; or 409kN (92,000lb) GE90-92Bs.
Our 200ERs have the Trent 890s.
The rest of your posts are no better informed.......