I had something similar, but on a trailer (as I do not have a loader)
I used either 12v pumps or gas powered pumps since I didn't have a small genny, either.
"You must be the change you want to see in the world." "First they ignore you, then they laugh at you, then they fight you, then you win." --Mahatma Gandhi
"Preach the Gospel always, and if necessary, use words." --Francis of Assisi.
"Family farms work when the whole family works the farm." -- Adam Klaus
Willie Smits: Village Based Permaculture Approaches in Indonesia (video)