Yes you can use on board hydraulics for those. Keep in mind your tractor does not have power steering so it can be difficult with a loader with a heavy load, but manageable.
Also you would be wise to fab up a sub frame to take the added forces and strengthen the connection between front and rear frame. Dont rely on the transmission bell housing.
I had a B6200 Hsd which is the next smaller unit than yours. I purchased plans for loader and backhoe from PF Engineering but did not build either. Instead I decided to trade up to a B2620.