Hello,
you have two options at the front. Driven by belt or coupled to the crankshaft. If you go for the belt you will get maybe 1kwh per belt you use. The pump of my B1502 makes 7l/min with 150 bar that is ~1.75kwh.
(P = p * Q = 150[bar] x 7[l/min] = 150x10^5[pa] x 0.007/60[m³/s])
Not so much. Depends what you want to do!
If you want to go for the crankshaft here is a picture I found for a front pto:
You need an adapter that is screwed in addition on the pully of the crankschaft. Maybe you have enough space to place a pump there... I don't know.
It looks like a little bit tricky and there is no solution out of the box.
Most people add it with some extra belts, but that solution has not really a high volume with pressure.
What do you want to use it for?
carl