The AMI Trunnion Drive Gear part number H-2005 is found on the mechanisms used in the following AMI models:
G200, H200, H120, H100, I200, I120, I100, J200, J120, J100, K200, K120, K100,
Continental, Lyric and Continental 2, both electric and manual select models.

The mechanism model numbers I am aware of are:
900 (200 selections, electric select)
900-1 (120 selections, electric select)
950 (100 selections, manual select)
960 (200 selections, manual select)
985 (200 selections, electric select)
(990 (100 selections, electric select).

The mechanism part offered here is in good used condition.