Jim, We have our '05 Lex at home while we pack for a trip to the NW starting Monday. I took a look at our 2100 W/D and it measures 23" side and 22" front to back, plus door. The limiting dimension in our MH is the distance between the bath wall and the fridge door, that measures 24". Maybe our floor plans are different. As for the drainage problem, have you checked to see if the drain trap below the W/D is clear? With the W/D removed, it would be easy to run a snake thru the trap into the grey tank.