Four Corner Type Hydraulic Fertilizer Spreader Single-disc fertilizer spreaders manufactured as mounted (hydraulic) type are connected to the tractor with a three-point suspension system. Spreaders can be manufactured with hydraulic control. Thanks to the hydraulic control lever, it is very easy to throw fertilizer from the tractor cabin at the beginning of the border, and unnecessary fertilizer consumption is prevented by closing it quickly. The warehouse capacity is in four types, 400-500-600-800 lt.