New Old Stock Zenith USA made carburetor. Fits: Allis Chalmers CA, D-14, D-15, (1956 & up), H-3 Crawler, W, WC, WD, WF Replaces: TSX620, 670, 701, 815, 844, 879, 912, 931. Fits: Case VA (1942-56), 200B, & 300B 1957, 300, 310 & 320 Crawler 350, 440, 480, 600 Crawler: Replaces: TSX409, 597, 635, 663, 668,680 681 696, 710, 762, 804, 936, 936SL, 937, 937SL, 957SL. Fits John Deere LA (w/VD Engine s/n 1000 up), 1010, 40 Combine. Replaces: TSZ60, 85, 90, 802, 809, 812, 860. C 424,444,500 Crawler; Replaces: TSX896, 896SL, 930, 948, 949. Fits: Massey Ferguson TO30 & 35, MF35, 40, MH50 Ferguson Ind. , Z145 Engine, 20 & 21 Combines, SP Cornpicker; Replaces: VH99, TSX193, 228, 357, 605, 683, 882. Fits: Minneapolis Moline R-RT (1953up), Z-13, Z-145, 335. Replaces: TSZ497, 650, 714, 882. Fits: Oliver Super 55HC, Super 66HC, (1954up); 550 (1958); Replaces TSZ603, 694.