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
not sure what you have already used.. but i have a sneaking suspicion that there aren't too many manufacturers of those parts now.. and the ones there are.. ride over on a boat from a country that has a lot of people and eats alotta rice and pretty much has a market on world manufacturing capacity and exports..