Original cast Iron updraft carburetor by Zenith, Model 124 1/2. Allis Chalmers 1933-52 W, WC, WF, WZ, W25, P Tractor J. Case 1934-44 C, CC, CI, CO Tractor John Deere 1935-45 1,2,3,5, A, 7,9,17,35.36 Combine Minneapolis Moline 1934-40 JT, KTA, MTA, Tractor, 6 Combine Oliver Tractor 1936-44 70 HC, KD Tractor, F, DG-B Thresher, 10, B-H Grainmaster, A, B, D, 12, 30 Combine.