11)Use on the single wheel drived type rice transplanter 2)Model:2ZT-630 and 2ZT-8238 3)Good ... could supply all the spare parts use on the rice transplanter 2ZT-630 ,2ZT-8300 and 2ZT-8238 in bulk. ... key parts of the machine including the working box, the walking box , the link box , the seedling box , the robot ... any inquiry on the single wheel drived paddy rice transplanter. Rice transplanter gearbox