Kubotas B2710, M6800, L6060 cab, Volvo EC excavator, 2 ZTRs and various implements.
Between anything large and moving and a large fixed object is always dangerous; unless you can stall the moving or move the fixed real quick. That is one reason I am very careful with who I let move tractor while hooking up. I like for it to be me! Set brakes and then hook up. Not always possible.