RK 55HC,ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC
hytran would likely be it unless it was a lift all pump.. but in general.. most utfs meeting many specs will be fine.
probably find one meeting hytran and the old frod specs at walmart and tractor supply.. napa.. etc..