Chopper Ax model:72 LOW HP, HIGH OUT PUT Ax 72 is one of the most successful and well proved maize choppers. After harvesting , the stems are carried towards the chopping blades by the feeder chains and then loaded. This short procedure leads to the maximum output (more than 50ton/h). The material of chopping blades are designed to be more stable against the different defects such as trituation, etc.