First long reach cat in the uk

We made quite a few of these and here comes a confession one of them was a complete disaster, It was fitted to the first long reach caterpillar excavator in the uk and we fitted the attachment on a job in Liverpool, Well the ram destroyed itself and the ram manufacturer said it was our fault that the unit we made was not strong enough well we say it was so never concluded where the fault lay but the ram manufacturer said that the unit was twisting and that had meant the internals on the ram had got scored and picked up. In conclusion all i can say is it was a first if it was down to us, Here it is in wire frame and hidden line mode this is not the original but pretty close