A 4-in. by 18-in. hydraulic ram powered off the tractor's hydraulics lifts the boom, made of 3-in. by 4-in. structural steel. Two support "legs" keep the boom from leaning to one side when lifting a load. Once the load is hanging free, it'll self balance.
Maclean also made a platform for the boom that holds two people. The platform, made of plywood and angle iron, attaches to the end of the boom and is reinforced by a pipe that runs from the platform railing back to a piece of angle iron at the base of the boom. Pivots on the pipe and boom keep the platform level at any height.
The unit has an 8-ft. wide axle, a double bar pin hitch and a built-in hand hydraulic jack.
Maclean added another hook slightly behind the hook at the end of the boom which lets him lift even heavier weights.
He estimates it cost him $500 to build the "cherry picker" which could be "scaled up" to handle bigger loads.
Contact: FARM SHOW Followup, Alan Maclean, R.R. 1, Kingston, Ont. K7L 4V1 (ph 613 546-5823).
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