type model L/D screw speed (r/min) capacity JD30 30 25-36 20-120 5-10 JD50 50 25-36 20-120 30-50 JD65 65 25-36 20-120 50-80 JD80 80 25-36 20-120 150-220 JD100 100 25-36 20-120 250-300 JD120 120 25-36 20-120 300-350 JD150 150 25-36 20-96 350-400 JD180 180 25-36 20-85 500-700 JD120 200 25-36 20-85 800-1000