The GP3550 travels 20 percent faster than the GP3000 it replaces, moving 110 fpm. Amplitude increases by 10 percent, and overall weight was cut by 15 pounds. Deck has a full roll cage with an optional water tank for asphalt compaction. Base plate is self-cleaning with an open-sided design that allows material to flow out and away from the belt/pulley assembly. As of January 2006, MBW will be changing its model designations. Models for soil compaction will have a GP prefix; asphalt machines will have an AP prefix.