Application: Refer to parts book, 10050 (Mechanical Shuttle), 11050 (Mechanical Shuttle), 3321, 3341, 4321, 4341, 6321, 6341, 6421, 6441, 7020, 7040, 7321, 7341, 7421, 7441, 8020, 8040, 8421, 8441, 9020, 9040, 9050 (Mechanical Shuttle), Proxima Plus 10541, Proxima Plus 8541, Proxima Plus 9541