3320,3340 from serial # 6801 and up
4320,4340 from serial # 5701 and up
6320,6340 from serial # 10551 and up
7320,7340 from serial # 4701 and up
Replaces Zetor part #: 16256908,53256109,53256908, 53256029, 16256219
Application: 10050 (Mechanical Shuttle), 10641, 10741, 11050 (Mechanical Shuttle), 3320, 3321, 3340, 3341, 4320, 4321, 4340, 4341, 6320, 6321, 6340, 6341, 6421, 6441, 7020, 7040, 7320, 7321, 7340, 7341, 7421, 7441, 8020, 8040, 8421, 8441, 8641, 9020, 9040, 9050 (Mechanical Shuttle), 9641, 9741