Verify the part fits before purchasing Specs: Description: CarburetorZenith style replacement carb. Bolt spacing: 2 5/16" C to C. Can be used to replace various Marvel Schebler & Carter carbs. Note: New carbs are not adjusted to new specs due to age and wear variances of tractors, may need to adjust mixture, idle, and float adjustments. Replaces OEM Numbers: Allis Chalmers: 12522, TSX101, TSX102, TSX113, TSX114, TSX119, TSX120, TSX126, TSX128, TSX13, TSX132, TSX132A, TSX133, TSX134, TSX136, TSX137, TSX138, TSX142, TSX144, TSX146, TSX150, TSX151, TSX154, TSX155, TSX156, TSX157, TSX159, TSX161, TSX167, TSX171, TSX179, TSX180, TSX182, TSX183, TSX184, TSX186, TSX188, TSX190, TSX192, TSX197, TSX198, TSX202, TSX206, TSX206-1, TSX211, TSX212, TSX231, TSX240, TSX241, TSX246, TSX248, TSX253, TSX254, TSX258, TSX264, TSX266, TSX267, TSX269, TSX272, TSX274, TSX28, TSX286, TSX287, TSX288, TSX289, TSX290, TSX297, TSX30, TSX301, TSX305, TSX306, TSX308, TSX309, TSX312, TSX313, TSX319, TSX328, TSX33, TSX333, TSX34, TSX341, TSX346, TSX347, TSX348, TSX359, TSX36, TSX361, TSX361A, TSX368, TSX37, TSX370, TSX370-1, TSX38, TSX39, TSX391, TSX398, TSX405, TSX406, TSX407, TSX42, TSX420, TSX421, TSX422, TSX43, TSX44, TSX447, TSX448, TSX45, TSX450, TSX452, TSX458, TSX459, TSX465, TSX472, TSX48, TSX480, TSX481, TSX486, TSX49, TSX513, TSX516, TSX520, TSX54, TSX541, TSX55, TSX59, TSX606, TSX610, TSX611, TSX655, TSX665, TSX668Fits: Allis Chalmers B, B15, B15 Gas Eng, C, CA, D10, D12, IB, R, W, WC, WDCase/International Harvester 140, 201 Windrower, 240, 330, 340, 404, A, AV, B, BN, C, C123 Eng, Super A, Super A1, Super AV, Super AV1, T340 Crawler, VAFord/New Holland 2N, 600 Series 4 Cyl, 700 Series 4 Cyl, 8N, 9NJohn Deere 12A Combine, L, LIMassey Ferguson 20 Indust/Const, 60 Combine, TE20, TO20, TO30Minneapolis-Moline BF, BFH, BG, R, RTOliver 15 Combine, 35 Combine, 422 Combine, 66, 77, OC3, OC6HC, Super 44