Steering pump for Komatsu wheel loaders

We are wondering if we can be supplied by transmission pump,hydraulic pump and steering pump for :
-komatsu wheel loaders 250 to 600 / -1 and -3
-komatsu bulldozers from 155 to 475 / -2 and -3 and -5
-caterpillar bulldozer dl 8/ dl 9/ dn 8/ dn 9/ dr8/dr9
-hyundai wheel loader 760-3 to 770-3
740-7 to 770-7
740-7a to 770-7a