This trailer can be used for transporting grain, chaff or other agricultural products. Due to the large side door also comes loaded with straw or hay bales is possible.
The trailer has a capacity of 20.000l and costs € 22,500
For the ball transport I recommend in addition to better ball handling:
http://www.farmingmods2015.com/better-balehandling-v-1-1-hotfix-mod/