To answer some of the above - no I can't drive over the entire pile. but I can back up to it and engage with the box blade. I think what I'll try is a fabricated double claw I can bolt on to the box that is longer than the stock rippers. Even though i have to pay for some welding it'll cost less than a new implement and I can utilize the box blade weight - which I may add too somehow. it simply is length of claw and weight. thanks for the ideas. Yes a bigger tractor would help - but my gates and house yard obstacle sizes preclude that.