if you are uncertain with what kind balers to choose, you may consider about these factors below: 1. farm (field) acreage and rerrain; 2. type of crop; 3. hay equipments you already had. such as, tractor, rake, mower, fork and etc; 4. desired shape and size of bales; 5. storage demands and end usage for bales; 6. throughput capacity of the balers; 7. price of baler and average cost for bales; 8. other factors such as, moisture, loss rate,wrap materials and etc. want to know more, please ask me!