2016 American Coach Tradition 45A Liberty® 600, 2ND FULL BAY 36/54 S/O TRAY600 HP CUMMINS LIBERTY CHASSIS (45A & 45T ONLY) 2016 American Coach Tradition 45A In a 2016 American Tradition, your memories become your most cherished keepsakes. Inside and out, soothing, luxurious features hold you close, keep you safe and speak to your soul. In a American Tradition, plush furniture, spacious storage and name-brand appliances offer all the comforts of home. With luxurious flourishes that you can touch at every turn, it offers intimate elegance and subtle opulence.