The pump is a 17gpm single stage, the plunger cylinder is a 15 ton 24" stroke, 3.5" and 2.5" cylinders to run bade and arm, ( purchased at princess auto), the belt is from a round baler cut to fit, the rest is hand made(get friendly with your steel dealer)
Would be better to have a hydraulic chainsaw would improve your system and make it more economical to run. But they are expensive unless you find a bargain.
Park it by a creek, build a giant water wheel that creates solar power while turning a wind mill that is grinding organic corn. Sell that and buy firewood harvested by unicorns.