Which is better, Heavy Duty Compost Turner or Hydraulic Compost Windrow Turner?

Each has its advantages: The formar is self-propelled,no tractor necessary-optimal utilization of space available while the turing parts of the later and other main working parts are driven by hydraulic system, that’s why we call it hydraulic compost turner. Whirlston fertilizer machines have these two kinds, you can find its website to have a look.