Tractor Auxiliary Cap for AC, IH Farmall, and John Deere Tractors. For Allis Chalmers - Auxiliary Tank Gas Cap Fits C, CA, D14, D17, U, WC, WD, WD45, WF. For IH Farmall with Distillate or Diesel Starting Gas Tank Fits 200, 230, 240, 300, 350, 400, 450, 600, 650, H, M, MDV, MV, 0-4, O-6, OS-4, OS-6, Super H, Super M, Super MDV, Super MTA, Super MV, Super W-9, W-4, W-6, W-9, WR-9, WR-9S. For John Deere - Auxiliary Tank Gas Cap with All Fuel Starting Tank Fits 520, 530, 620, 630.
