One New Aftermarket Carburetor FloatTech Info:-For Large Bowl Marvel Schebler CarburetorsMade to Fits Ford/New Holland:Tractor Models: 2000, 2031, 2110, 2111, 2120, 2130, 2131, 4000, 4000SU, 4030, 4031, 4040, 4110TR, 4120, 4121, 4130, 4131, 4140, 500, 501, 541, 600, 601, 611, 620, 621, 631, 641, 651, 700, 800, 900, 811, 821, 841, 851, 861, 871, 881, 941, 951, 961, 971, 981Model Breaks: 4000SU(4140), 4140 (4 CYL, 1/63-12/64), 500 SERIES, 600 SERIES, 700 SERIES, 800 SERIES, 900 SERIES (172 CID Engine, 1958-1964)Replaces Part Number(s): 311608