DitchWitch公司为5700型挖沟机的H412挖沟器推出了换代产品。该挖沟器有一个密封马达和新型的轴承及主轴，减少了预应力轴承的需要。一个较大的提升液压缸将提升力相对于H412提高了45%。该装置所用零件多为H313、H314机型通用零件，增强了配件供应和快速维修性。 H514 DitchWitch company for the 5700 Trencher H412 ditching device launched a replacement product. The digger has a sealed motor and new bearings and spindles, reducing the need for prestressed bearings. A larger lift cylinder increases lift by 45% relative to the H412. Most of the parts used in the device are H313, H314 common parts, which enhances the supply of parts and rapid maintenance. H514