I only had my box blade on for counter weight, that rock was flush with the ground, I got the Piranha bar in along side the rock and tilted the bucket up to pry it out, I was surprised at how big it was.
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I have not built a regular counter weight yet but I do have a 3 point receiver hitch that I plan on using as a starting point then add some pvc tubes for rake and shovel and a bar guard for chainsaw, build a box and some rebar then add cement, here is my receiver I will build on.
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Jim.