straw harvester : 1.model:4QZ-8 2.dimension:6000*2200* ... work wideth:1800m 4.working efficiency:0.833-3arce/h straw harvester1. 4QZ series silage harvester is a self-developed new ... the world. It is mainly used for the silage and straw silage of grass crops such as corn, sorghum, hay, ... realize bi-direction of advance.3. Matured cutting way of straw crusher is adopted, so that raw material can be rubbed ...