Rotor Buttons

Allis Chalmers: B, IB, C, CA, G, RC, WC, WD, WD45, WF, D10, D12, D14, D15, D17, D19 Avery: A, BF, R, V Case: SC, SI, SO, DC, DI, DO, 200B, 300B, 400B, 430B, 500B, 600B Cockshutt: 540, 550, 570 IH / Farmall: A, Super A, Super A1, AV, Super AV, B, BN, C,...