I am looking for some input from folks concerning manure spreader size as it relates to the horse(s) not capacity. I use a couple good size (~1000lb) draft ponies at our place and would like to purchase a ground drive spreader to use regularly behind them. Our farm is hilly so I am looking to size the spreader so it is a fairly easy pull. My math tells me that if I want to spread manure once a week I should be able to get away with a 55cuft spreader but it still pencils out as a fairly good load. I would suspect that any spreader that people use behind a single full sized draft would work well for our Haflingers.