The J-8763-B transmission holding fixture tool for use on these transmissions: 180C (3L30), 200, 200C, 200-4R, 250, 250-C, 350, 350-C, 375, 400 ( 3L80 ), 425, 475 ( 3L80-HD ), 700-R4 (4L60) (4L60E). Also can be used on 4L80E which come with optional adapter.