Trans Disc: 13″ for Ford E3NN7550BA D1NN7550B 3500 3550 420 445 4500 515 540 545 545A 555 2810 2910 335 3400 3550 3910 4100 4110 4130 4330
Trans Disc: 13″ for Ford Replaces D1NN7550B E3NN7550BR6B VPG2007 VPG2204 333008810 3554214 81825076 82006015 82006015-RO 83937180 FE350BA FE350BA HD6 SW00297 1112-6025 81866447 87295809
Tractor Models 3500 (w/ 8 Speed Trans) 3550 (w/ 8 Speed Trans) 420 445 (<1/1985) 4500 (10/1971>) 515 540 545 (<1/1985) 545A (<1/1985) 555 2810 (1/1985>) 2910 (1/1985>) 335 (10/1975- 9/1978) 3400 (7/1974>) 3550 3910 4100 (10/1971- 12/1974) 4110 (5/1983- 2/1990) 4130 (3/1990- 7/1999) 4330