A scaled-down kind of stacker or bale get Bale Sledge: In Britain (if smaller sq. bales are still to be used), they are usually collected since they slide out with the baler inside of a bale sledge dragged guiding the baler. This has four channels, managed by automatic mechanical balances, https://gregoryncriv.tinyblogging.com/rumored-buzz-on-fully-automatic-balers-78120320