2016 Heartland Wilderness WD 3150 DS, New Heartland Wilderness for sale at the RV Source dealership in Bryan / College Station, Texas! 2016 Heartland Wilderness WD 3150 DS Light in weight, yet packed with innovation and value found only in Heartland Lightweight travel trailers. Perfect for seasonal trips with the whole family providing beautiful accommodations with endless sleeping, dining and storage possibilities all in a lightweight package that won't break your bank.