I have a 1547 Massey. My question has to do with checking the transmission oil level window. I have a 1580 backhoe attached at the present time and wondered if that would effect the oil level. The tractor also has the 1530 loader attached. The oil level seems to cover the window it should cover half the window. So do I drain some oil or do I just assume that it changed because of the backhoe being attached? I am coming up on my 50 hours oil and changes. Should take the hoe off before changing the transmission oil to make sure I get the right level? Is there a certain way I should set all the hydrolic positions before checking? Just wondered if anyone else had this question? Thanks