think the max size is the 232 and you need a front pump or PTO pump. the loader that works with the hydraulic pump for the hitch would have been the 216 or the 1016. The 236 is too big for the 1045. That is what I found out anyway. Not an expert at all. But I did do some DD for myself.
MF 1045
I just got one also last week paid 3500. I am looking to put a loader on mine. I think I am going to put an Allied 180 on it. I am using a hydraulic block that bolts on to the tractor hydro relief valve to power it up. I did look into putting a mf232 loader on but did not want to put...