Sunnybrook fifth-wheelSunnyBrook RV Inc., Middlebury, Ind., has added a fifth-wheel to its expanding lightweight Harmony towable series. ”Last year we had two Harmony floorplans. Now we have 10; this is our first fifth-wheel,” said SunnyBrook President Elvie J. Frey Sr. SunnyBrook’s 29-foot fiberglass-and-aluminum Harmony fifth-wheel weighs just over 7,000 pounds and retails from $25,477. Outfitted with a 12-foot ”superslide,” the Harmony fifth-wheel, featuring a rear living room, is built on a Z-frame allowing a large amount of front pass-through storage.