You would be best off in the 60 HP range. It isn't the HP that is limiting, but you need a loader with enough lift capacity to lift the load way out on the forks, and heavy enough tractor to with stand the load. Some smaller tractors would probably do it but if you will be lifting this on a regular basis, I would go with the heavier tractor. I usually try to stay somewhat neutral on brand, but I know my Mahindra product and a Mahindra 4500, or 4530 would be heavy enough and still stay in the 40 HP range. Good luck.