What is the Organic Fertilizer Spreader Machine? Double vertical twisted-auger manure truck is used to throw all kinds of dry and wet manure, especially wet and various manure with large water content and large chunks of manure. It can make the scattered fertilizer fully broken and evenly scattered, and has a better crushing and spreading effect. The manure spreader is driven by the tractor, and the fertilizer conveying system of the manure spreader is directly driven by the hydraulic output