You can get the same performance in the extra large tubs by selecting "Large" water level which is around the 16 gallon mark of the smaller tub machines. If I have something that's has a bunch of hard to shift stains, I'll do this or just underload the washer regardless of the water level. If heavily soiled with dirt, I'll select the pre-wash cycle which fills, washes for 4 minutes, drains, refills, agitates for a minute, soaks, and goes into a 10 minute wash cycle. Love 806's for this feature. The 10+ series machines will not drain and refill between the the pre wash and main wash cycles.