4U-3 系列產品主要用於收穫土豆、大蒜、地瓜、花生等地下根莖農作物。該機具有收穫效率高、破損率低、運轉輕快無震動、不堵草、漏土快、結構簡潔、使用壽命長等特點。該機具採用側傳自動裝車裝置，彌補了小型收穫機不能自動收集作物的不足，提高了生產效率，節省了人力物力。該機具已獲得國家專利局批准實用新型與外觀設計兩項專利.

Due to its excellent performance with high working efficiency, this machine is mainly used for the harvest of potato、garlic、pachyrhizus、peanut and other subterranean rootstalk crops with the advantages including high-working efficiency、lower breakage rate、light＆quick running without vibration、no jamming and simple structure as well as long useful life. In addition, this machine has been granted with two patents including utility model and outline design.