I was thinking the same thing for a tool box but gonna mount it on the left side ROPS support with U-bolts.
I had hooks welded to the buckets View attachment 403840View attachment 403841
Got a boom pole from TSC View attachment 403842 In the background you can see the counter weight I built out of a blue barrel. I left it 10" higher than the concrete to hold my chains, log tong, etc. Weighs about 650 lbs.
Did you reverse the 4 lower hoses for the loader? The manual shows them another way.I like yours, it gets the hoses up out of harms way. Do you think I would loose much fluid if I changed mine around?