This grinder is a horse! I did 200#s and it didn't slow down a bit. Now, when it came to stuffing, every 20 pounds she shut down and the after about 10 minutes it would go at it again. Overall, best grinder I have ever had blows LEM away! I have the 80# mixer as well and it worked great was a bit combersome connecting the two but work well with 50# of meat in the mixer.