The Pottinger weighs 1400KG or about 3,000lbs.How much weight are you looking to add?
$1,000Martins machining and Welding, quarry rd mount joy pa, 717-892-2717. The ad is from 2010. Don't know if they still make them. Weights from 3500 to 8000 lbs. Basically a concrete block with the steel 3 point hitch mounts that were put on it.