Shaft, Distributor Drive. For battery ignition with IH distributor. Tractors: Cub, Cub Lo-Boy, A, Supers A, A-1, AV, AV-1, B, C, Super C, H, HV, Supers H, HV, M, MD, Supers M, MD, 06, OS6, W6, Supers W6, WD6, W9WD9, WR9, WDR9, WR9S, Supers WD9, WDR9, 300, 330, 340, 350, 400, W400, 404, 450, W450, 504.