Are you talking about cleaning area or clean grain elevator capacity? The 8010 has about 10,075sq/in cleaning area, 7010 has 8370 sq/in, the 23-2588 has 7947sq/in. Deere9660-9860sts have 7350 sq/in. The clean grain elevator on the 8010and 7010 has a capacity of 6000 bu/hr ( actual corn results are in the 4500-5000 bu/hr on 8010 and 3500-3800bu/hr on the 7010, and approx 3000-3200 bu/hr on 23 and 2588's. Not sure on numbers for the deere elevator. Hope this helps.