Welding machine, used

I'm looking for a 2nd hand normal welding machine 400 amps and above qty = more than 20
I need also Used electric motors (working conditions 10hp @1400rpm 15hp @1400rpm, 30hp @100rpm and 40hp @ 10000rpm with deff.
qtys depend on the good price but total will be 50 pcs I will be coming to turkey ASAP to finalize and to ship the qtys thanks